20th century
Resource Information
The temporal indicator of 20th century represents a chronological context associated with resources found in Delaware County District Library.This resource has been enriched with EBSCO NoveList data.
The Resource
20th century
Resource Information
The temporal indicator of 20th century represents a chronological context associated with resources found in Delaware County District Library.
This resource has been enriched with EBSCO NoveList data.
- Label
- 20th century
100+ Items that are about the Temporal 20th century
Context
Context of 20th centuryFocus of
Subfocus of
- Aboriginal Australians -- Social conditions -- 20th century
- Adirondack Mountains (N.Y.) -- History -- 20th century -- Juvenile fiction
- trueAdirondack Mountains, New York -- History -- 20th century
- trueAdmirals -- United States -- History -- 20th century
- trueAdvertising -- United States -- History -- 20th century
- trueAdvertising agencies -- United States -- History -- 20th century
- Aeronautics -- Safety measures | Research -- United States -- History -- 20th century
- trueAeronautics -- United States -- History -- 20th century
- Aeronautics, Military -- Technological innovations | History -- 20th century
- Aeronautics, Military -- United States -- History -- 20th century
- Aesthetics -- Social aspects -- United States -- History -- 20th century
- trueAfghanistan -- History -- 20th century
- Afghanistan -- History, Military -- 20th century
- trueAfghanistan -- Social conditions -- 20th century
- trueAfrica -- History -- 20th century
- trueAfrica -- Social conditions -- 20th century
- trueAfrica -- Social life and customs -- 20th century
- Africa, East -- History -- 20th century -- Juvenile fiction
- Africa, North -- History -- 20th century -- Fiction
- Africa, North -- History -- 20th century -- Juvenile fiction
- trueAfrican American art -- New York (State) | New York -- 20th century
- African American art -- New York (State) | New York -- Exhibitions | History -- 20th century
- trueAfrican American art -- New York City -- Exhibitions | History -- 20th century
- trueAfrican American arts -- 20th century
- trueAfrican American authors -- 20th century -- Biography
- African American baseball players -- Biography -- 20th century
- African American children -- Alabama | Birmingham -- History -- 20th century
- trueAfrican American children -- Political activity -- Alabama -- History -- 20th century
- African American children -- Political activity -- Alabama -- History -- 20th century -- Juvenile literature
- African American churches -- Alabama | Birmingham -- History -- 20th century
- African American fighter pilots -- History -- 20th century -- Drama
- African American girls -- Illinois | Chicago Region -- Social conditions -- 20th century
- African American high school students -- Arkansas | Little Rock -- History -- 20th century -- Pictorial works | Juvenile literature
- trueAfrican American high school students -- Little Rock, Arkansas -- History -- 20th century
- trueAfrican American literature -- 20th century -- History and criticism
- African American men -- Social conditions -- 20th century
- trueAfrican American musicians -- 20th century -- Biography
- African American neighborhoods -- Oklahoma | Tulsa -- History -- 20th century
- trueAfrican American poets -- 20th century
- African American poets -- 20th century -- Biography | Juvenile literature
- trueAfrican American sailors -- History -- 20th century
- African American sailors -- History -- 20th century -- Juvenile literature
- African American soldiers -- History -- 20th century -- Comic books, strips, etc
- African American soldiers -- History -- 20th century -- Juvenile literature
- African American students -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African American students -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- trueAfrican American students -- Birmingham, Alabama -- History -- 20th century
- African American women -- Civil rights | History -- 20th century
- African American women -- Employment | History -- 20th century
- trueAfrican American women authors -- 20th century -- Biography
- trueAfrican American women poets -- 20th century -- Biography
- African American youth -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African Americans -- California | Oakland -- Social conditions -- 20th century
- trueAfrican Americans -- Civil rights -- Alabama -- History -- 20th century
- African Americans -- Civil rights -- Alabama -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Alabama | Birmingham -- History -- 20th century
- African Americans -- Civil rights -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Alabama | Birmingham -- History -- 20th century -- Pictorial works | Juvenile literature
- African Americans -- Civil rights -- Alabama | Montgomery -- History -- 20th century
- African Americans -- Civil rights -- Alabama | Montgomery -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Alabama | Selma -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Arkansas | Little Rock -- History -- 20th century -- Sources
- trueAfrican Americans -- Civil rights -- Birmingham, Alabama -- History -- 20th century
- African Americans -- Civil rights -- Michigan | Detroit -- History -- 20th century
- trueAfrican Americans -- Civil rights -- Mississippi -- History -- 20th century
- African Americans -- Civil rights -- Mississippi -- History -- 20th century -- Juvenile literature
- trueAfrican Americans -- Civil rights -- Montgomery, Alabama -- History -- 20th century
- trueAfrican Americans -- Civil rights -- North Carolina -- History -- 20th century
- trueAfrican Americans -- Civil rights -- Selma, Alabama -- History -- 20th century
- trueAfrican Americans -- Civil rights -- Southern States -- History -- 20th century
- African Americans -- Civil rights -- Southern States -- History -- 20th century -- Fiction
- African Americans -- Civil rights -- Southern States -- History -- 20th century -- Juvenile fiction
- African Americans -- Civil rights -- Southern States -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Washington (D.C.) -- History -- 20th century -- Juvenile literature
- trueAfrican Americans -- Civil rights | History -- 20th century
- African Americans -- Civil rights | History -- 20th century -- Chronology
- African Americans -- Civil rights | History -- 20th century -- Juvenile fiction
- African Americans -- Civil rights | History -- 20th century -- Juvenile literature
- African Americans -- Civil rights | History -- 20th century -- Miscellanea | Juvenile literature
- trueAfrican Americans -- Civil rights | History -- 20th century -- Pictorial works
- African Americans -- Civil rights | History -- 20th century -- Pictorial works | Exhibitions
- trueAfrican Americans -- Civil rights | History -- 20th century -- Sources
- African Americans -- Crimes against -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African Americans -- Crimes against -- Georgia | Forsyth County -- History -- 20th century
- African Americans -- Crimes against -- Georgia | Hamilton -- History -- 20th century
- African Americans -- Crimes against -- Mississippi -- History -- 20th century
- African Americans -- Crimes against -- Mississippi -- History -- 20th century -- Juvenile literature
- African Americans -- Crimes against -- North Carolina | Oxford -- History -- 20th century
- trueAfrican Americans -- Economic conditions -- 20th century
- African Americans -- Education -- Arkansas | Little Rock -- History -- 20th century
- African Americans -- Education -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- trueAfrican Americans -- Education -- Little Rock, Arkansas -- History -- 20th century
- African Americans -- Education -- North Carolina | Pollocksville -- History -- 20th century
- African Americans -- Florida | Rosewood -- History -- 20th century -- Drama
- African Americans -- Georgia -- Social conditions -- 20th century
- trueAfrican Americans -- History -- 20th century
- African Americans -- Illinois | Chicago -- Social life and customs -- 20th century
- African Americans -- Indiana | Marion -- Social conditions -- 20th century
- trueAfrican Americans -- Intellectual life -- 20th century
- African Americans -- Intellectual life -- 20th century -- Encyclopedias
- African Americans -- Intellectual life -- 20th century -- Juvenile literature
- African Americans -- Kansas -- History -- 20th century -- Fiction
- trueAfrican Americans -- Marion, Indiana -- Social conditions -- 20th century
- African Americans -- Maryland | Baltimore -- Social conditions -- 20th century
- trueAfrican Americans -- Memphis, Tennessee -- Social conditions -- 20th century
- trueAfrican Americans -- Migrations | History -- 20th century
- African Americans -- Migrations | History -- 20th century -- Fiction
- African Americans -- Migrations | History -- 20th century -- Juvenile poetry
- African Americans -- New York (State) | New York -- Intellectual life -- 20th century
- trueAfrican Americans -- New York City -- History -- 20th century
- African Americans -- Oklahoma | Tulsa -- History -- 20th century
- trueAfrican Americans -- Politics and government -- 20th century
- African Americans -- Politics and government -- 20th century -- Sources
- trueAfrican Americans -- Segregation -- Mississippi -- History -- 20th century
- trueAfrican Americans -- Segregation | History -- 20th century
- trueAfrican Americans -- Social conditions -- 20th century
- African Americans -- Social conditions -- 20th century -- Exhibitions
- African Americans -- Social conditions -- 20th century -- Fiction
- trueAfrican Americans -- Social life and customs -- 20th century
- trueAfrican Americans -- Southern States -- History -- 20th century
- African Americans -- Southern States -- History -- 20th century -- Juvenile poetry
- African Americans -- Suffrage -- Alabama | Selma -- History -- 20th century -- Juvenile literature
- African Americans -- Suffrage -- Alabama | Selma -- History -- 20th century -- Pictorial works
- trueAfrican Americans -- Suffrage -- Selma, Alabama -- History -- 20th century
- African Americans -- Tennessee | Memphis -- Social conditions -- 20th century -- Juvenile literature
- trueAfrican Americans -- Tulsa, Oklahoma -- History -- 20th century
- African Americans -- Violence against | History -- 20th century
- African National Congress -- History -- 20th century -- Sources
- Agricultural laborers -- Labor unions -- United States -- History -- 20th century
- trueAgriculture -- Great Plains (United States) -- History -- 20th century
- Agriculture -- Great Plains -- History -- 20th century -- Juvenile literature
- Air pilots, Military -- Great Britain -- History -- 20th century
- Air pilots, Military -- Korea -- History -- 20th century
- Air pilots, Military -- United States -- History -- 20th century
- Air travel -- History -- 20th century
- trueAir warfare -- History -- 20th century
- Aircraft accidents -- New Jersey -- History -- 20th century -- Juvenile literature
- trueAircraft carriers -- United States -- History -- 20th century
- Aircraft industry -- California | Inglewood -- History -- 20th century
- Aircraft industry -- United States -- History -- 20th century
- Airlift, Military -- Vietnam -- History -- 20th century -- Juvenile literature
- Airplane factories -- California | Inglewood -- History -- 20th century
- trueAirplanes -- History -- 20th century
- Airplanes, Military -- United States -- History -- 20th century
- trueAirship accidents -- New Jersey -- History -- 20th century
- Alabama -- 20th century -- Fiction
- trueAlabama -- History -- 20th century
- Alabama -- History -- 20th century -- Juvenile fiction
- Alabama -- Race relations -- 20th century -- Juvenile fiction
- trueAlabama -- Race relations | History -- 20th century
- Alabama -- Race relations | History -- 20th century -- Juvenile literature
- trueAlabama -- Rural conditions -- 20th century
- trueAlaska -- History -- 20th century
- Alaska -- History -- 20th century -- Fiction
- Alaska -- History -- 20th century -- Juvenile fiction
- trueAlaska -- Social life and customs -- 20th century
- trueAlbania -- Social life and customs -- 20th century
- trueAlberta -- History -- 20th century
- Alcatraz Island (Calif.) -- History -- 20th century -- Fiction
- Alcatraz Island (Calif.) -- History -- 20th century -- Juvenile fiction
- trueAlcatraz Island, California -- History -- 20th century
- Alcohol industry -- Accidents -- Massachusetts | Boston -- History -- 20th century -- Juvenile literature
- Alcoholics -- Family relationships | Poetry -- 20th century
- Aleutian Islands (Alaska) -- History -- 20th century -- Juvenile literature
- Aleutian Islands (Alaska) -- History, Military -- 20th century -- Juvenile literature
- Aleutian Islands (Alaska) -- History, Naval -- 20th century -- Juvenile literature
- trueAleutian Islands -- History -- 20th century
- trueAleutian Islands -- History, Military -- 20th century
- trueAleutian Islands -- History, Naval -- 20th century
- Alliances -- History -- 20th century
- trueAmateur films -- Dallas, Texas -- History -- 20th century
- American drama -- 20th century
- trueAmerican drama -- 20th century -- History and criticism
- American drama -- 20th century -- Juvenile literature
- American essays -- 20th century
- American fiction -- 20th century
- American fiction -- 20th century
- trueAmerican literature -- 20th century
- trueAmerican literature -- 20th century -- History and criticism
- trueAmerican literature -- 20th century -- History and criticism | Theory, etc
- American literature -- 20th century -- History and criticism | Theory, etc. -- Juvenile literature
- American literature -- 20th century -- Juvenile literature
- American literature -- African American authors -- 20th century
- American poetry -- 20th century
- trueAmerican poetry -- 20th century -- History and criticism
- American poetry -- African American authors -- 20th century
- American prose literature -- 20th century
- American wit and humor -- 20th century
- Americans -- France | Paris -- 20th century -- Fiction
- Americans -- France | Paris -- History -- 20th century
- Americans -- Great Britain -- History -- 20th century
- Americans -- Spain -- History -- 20th century
- trueAmericans in France -- History -- 20th century
- trueAmericans in Great Britain -- History -- 20th century
- trueAmericans in Paris, France -- History -- 20th century
- trueAmericans in Spain -- History -- 20th century
- Amphibious warfare -- History -- 20th century
- Amsterdam (Netherlands) -- History -- 20th century -- Fiction
- Amsterdam (Netherlands) -- Social conditions -- 20th century
- trueAmsterdam, Netherlands -- History -- 20th century
- trueAngel Island (Calif.) -- History -- 20th century
- trueAnglo-Irish relations -- History -- 20th century
- Animals in logging -- Burma -- History -- 20th century
- Animated films -- United States -- History -- 20th century
- Animation (Cinematography) -- United States -- History -- 20th century
- Anti-Catholicism -- Alabama | Birmingham -- History -- 20th century
- Anti-Nazi movement -- Germany -- History -- 20th century
- Anti-apartheid movements -- South Africa -- History -- 20th century -- Sources
- trueAnti-communist movements -- United States -- History -- 20th century
- Anti-communist movements -- United States -- History -- 20th century -- Juvenile literature
- Anti-submarine warfare -- History -- 20th century
- Antinuclear movement -- United States -- History -- 20th century -- Biography
- trueAntipoverty programs -- United States -- History -- 20th century
- trueAntisemitism -- Germany -- History -- 20th century
- Apartheid -- South Africa -- History -- 20th century -- Sources
- Apologetics -- History -- 20th century
- trueAppalachian Region -- History -- 20th century
- Appalachian Region -- History -- 20th century -- Fiction
- Appalachian Region -- History -- 20th century -- Juvenile fiction
- trueAppalachian Region -- Social life and customs -- 20th century
- trueAppalachian Region, Southern -- Social conditions -- 20th century
- trueArab countries -- History -- 20th century
- Arab countries -- Politics and government -- 20th century
- trueArab countries -- Social life and customs -- 20th century
- Arabian horse -- Poland -- History -- 20th century
- trueArabs -- History -- 20th century
- trueArchitects -- United States -- 20th century -- Bioraphy
- Architecture -- Canadian Rockies (B.C. and Alta.) -- History -- 20th century
- Architecture -- Spain | Catalonia -- History -- 20th century
- Architecture -- United States -- History -- 20th century
- Architecture -- United States -- History -- 20th century -- Designs and plans
- Architecture -- United States -- History -- 20th century -- Themes, motives
- trueArchitecture, American -- 20th century
- trueArchitecture, American -- History -- 20th century
- trueArchitecture, Modern -- 20th century
- Architecture, Modern -- 20th century -- Juvenile literature
- trueArchitecture, Modern -- 20th century -- Social aspects
- trueArchitecture, Modern -- 20th century -- United States
- trueArgentina -- History -- 20th century
- trueArgentina -- Politics and government -- 20th century
- trueArgentina -- Social conditions -- 20th century
- trueAristocracy (Social class) -- England -- History -- 20th century
- Aristocracy (Social class) -- England -- History -- 20th century -- Fiction
- Aristocracy (Social class) -- Great Britain -- 20th century
- trueAristocracy -- England -- History -- 20th century
- trueArizona -- History -- 20th century
- trueArizona -- Social life and customs -- 20th century
- trueArizonza -- History -- 20th century
- trueArkansas -- History -- 20th century
- Arkansas -- History -- 20th century -- Fiction
- Arkansas -- History -- 20th century -- Juvenile fiction
- Arkansas -- Intellectual life -- 20th century
- trueArkansas -- Social conditions -- 20th century
- trueArkansas -- Social life and customs -- 20th century
- Armed Forces -- Insignia | History -- 20th century
- trueArmenia -- History -- 20th century
- trueArmenians in Turkey -- History -- 20th century
- Arms race -- Europe -- History -- 20th century -- Juvenile literature
- trueArms race -- History -- 20th century
- trueArt -- 20th century
- trueArt -- Collectors and collecting -- Europe -- History -- 20th century
- Art -- Economic aspects | History -- 20th century
- Art -- France | Paris -- 20th century -- Fiction
- Art and popular culture -- United States -- History -- 20th century -- Exhibitions
- Art and society -- California | Los Angeles -- History -- 20th century
- trueArt and society -- United States -- History -- 20th century
- trueArt criticism, American -- History -- 20th century
- Art glass -- New York (State) | Corning -- History -- 20th century
- trueArt movements -- History -- 20th century
- Art objects -- Design -- 20th century
- Art objects, American -- 20th century -- Handbooks, manuals, etc
- Art objects, European -- 20th century -- Handbooks, manuals, etc
- Art pottery -- United States -- 20th century -- Catalogs
- Art pottery, American -- Ohio | Zanesville -- 20th century -- Catalogs
- Art quilts -- Ohio -- History -- 20th century
- trueArt thefts -- Europe -- History -- 20th century
- trueArt thefts -- Germany -- History -- 20th century
- Art thefts -- Germany -- History -- 20th century -- Fiction
- Art thefts -- Italy -- History -- 20th century
- trueArt treasures in war -- Europe -- History -- 20th century
- Art treasures in war -- Italy -- History -- 20th century
- trueArt treasures in war -- Netherlands -- History -- 20th century
- trueArt, American -- 20th century
- Art, American -- 20th century -- Exhibitions
- Art, American -- 20th century -- Themes, motives
- Art, American -- California | Los Angeles -- 20th century
- Art, American -- California | Los Angeles -- 20th century -- Themes, motives
- trueArt, American -- Los Angeles, California -- 20th century
- Art, American -- Ohio | Cleveland -- 20th century -- Exhibitions
- Art, European -- 20th century -- Exhibitions
- Art, European -- 20th century -- Themes, motives
- trueArt, French -- 20th century
- Art, Modern -- 20th century
- Art, Modern -- 20th century -- Dictionaries
- Art, Modern -- 20th century -- Economic aspects
- Art, Modern -- 20th century -- Fiction
- Art, Modern -- 20th century -- History
- Art, Modern -- 20th century -- History and criticism
- Art, Modern -- 20th century -- Juvenile literature
- Art, Modern -- 20th century -- Public opinion
- trueArtists -- 20th century
- trueArtists -- 20th century -- Biography
- trueArtists -- France -- History -- 20th century
- Artists -- France | Paris -- 20th century -- Fiction
- Artists -- France | Paris -- History -- 20th century
- Artists -- New York (State) | New York -- 20th century -- Fiction
- trueArtists -- United States -- 20th century -- Biography
- Artists -- Yugoslavia -- 20th century -- Biography
- trueArts -- France -- History -- 20th century
- Arts -- France | Paris -- History -- 20th century
- trueArts -- New York City -- History -- 20th century
- Arts, American -- New York (State) | New York -- 20th century
- Arts, Modern -- 20th century
- Ashtabula (Ohio) -- History -- 20th century -- Pictorial works
- Ashtabula (Ohio) -- Social life and customs -- 20th century -- Pictorial works
- Asia -- 20th century -- Comic books, strips, etc
- trueAsia -- Description and travel -- 20th century
- trueAsia -- History -- 20th century
- trueAsia -- Social life and customs -- 20th century
- Asiatic elephant -- Burma -- History -- 20th century
- trueAssassins -- Germany -- History -- 20th century
- Astronautics -- Soviet Union -- History -- 20th century
- trueAstronautics -- United States -- History -- 20th century
- Astronautics -- United States -- History -- 20th century -- Fiction
- trueAstronomy -- History -- 20th century
- Athletes -- 20th century -- Juvenile literature
- Atlanta (Ga.) -- History -- 20th century -- Fiction
- Atlanta (Ga.) -- Social life and customs -- 20th century -- Fiction
- trueAtlanta, Georgia -- History -- 20th century
- Atlantic Coast (Spain) -- History, Military -- 20th century
- Atlantic Coast (U.S.) -- History, Naval -- 20th century
- Atomic bomb -- Government policy -- United States -- History -- 20th century
- trueAtomic bomb -- History -- 20th century
- trueAtomic bomb -- Social aspects -- Hiroshima, Japan -- History -- 20th century
- Atomic bomb -- Social aspects -- Japan | Hiroshima-shi -- History -- 20th century
- trueAtomic bomb -- United States -- History -- 20th century
- trueAustralia -- History -- 20th century
- Australia -- History -- 20th century -- Fiction
- Australia -- History -- 20th century -- Juvenile fiction
- trueAustralia -- Politics and government -- 20th century
- trueAustralia -- Social life and customs -- 20th century
- Australia -- Social life and customs -- 20th century -- Fiction
- trueAustria -- History -- 20th century
- trueAustria -- Social life and customs -- 20th century
- trueAuthors -- 20th century
- trueAuthors -- 20th century -- Biography
- trueAuthors -- France -- History -- 20th century
- Authors -- History -- 20th century
- Authors and publishers -- History -- 20th century
- trueAuthors and publishers -- United States -- History -- 20th century
- trueAuthors and readers -- United States -- History -- 20th century
- trueAuthors, African -- 20th century -- Biography
- trueAuthors, Algerian -- 20th century -- Biography
- trueAuthors, American -- 20th century
- Authors, American -- 20th century -- Alcohol use
- Authors, American -- 20th century -- Anecdotes
- trueAuthors, American -- 20th century -- Biography
- trueAuthors, American -- 20th century -- Biography
- Authors, American -- 20th century -- Biography | Comic books, strips, etc
- Authors, American -- 20th century -- Biography | Fiction
- Authors, American -- 20th century -- Biography | Juvenile fiction
- Authors, American -- 20th century -- Biography | Juvenile literature
- Authors, American -- 20th century -- Biography | Juvenile poetry
- Authors, American -- 20th century -- Biography | Poetry
- trueAuthors, American -- 20th century -- Books and reading
- trueAuthors, American -- 20th century -- Correspondence
- trueAuthors, American -- 20th century -- Diaries
- Authors, American -- 20th century -- Drama
- trueAuthors, American -- 20th century -- Family relationships
- Authors, American -- 20th century -- Family relationships -- Biography
- Authors, American -- 20th century -- Fiction
- trueAuthors, American -- 20th century -- Homes and haunts
- trueAuthors, American -- 20th century -- Interviews
- Authors, American -- 20th century -- Interviews | Juvenile literature
- trueAuthors, American -- 20th century -- Poetry
- Authors, American -- 20th century -- Portraits | Exhibitions
- trueAuthors, American -- 20th century -- Travel
- trueAuthors, American -- 20th century -- Travel -- Italy
- trueAuthors, Australian -- 20th century -- Biography
- trueAuthors, Austrian -- 20th century -- Biography
- trueAuthors, Brazilian -- 20th century -- Biography
- trueAuthors, British -- 20th century
- trueAuthors, British -- 20th century -- Biography
- trueAuthors, Canadian -- 20th century -- Biography
- Authors, Canadian -- 20th century -- Biography | Juvenile literature
- Authors, Chilean -- 20th century
- trueAuthors, Chilean -- 20th century -- Biography
- Authors, Chilean -- 20th century -- Family relationships
- trueAuthors, Colombian -- 20th century -- Biography
- Authors, Colombian -- 20th century -- Biography | Juvenile literature
- Authors, Dutch -- 20th century -- Biography
- trueAuthors, English -- 20th century
- trueAuthors, English -- 20th century -- Biography
- Authors, English -- 20th century -- Biography | Juvenile literature
- trueAuthors, English -- 20th century -- Correspondence
- trueAuthors, English -- 20th century -- Diaries
- Authors, English -- 20th century -- Drama
- trueAuthors, English -- 20th century -- Family relationships
- Authors, English -- 20th century -- Juvenile literature
- trueAuthors, French -- 20th century
- trueAuthors, French -- 20th century -- Biography
- Authors, French -- 20th century -- Biography | Juvenile literature
- trueAuthors, French -- 20th century -- Criticism and interpretation
- trueAuthors, German -- 20th century -- Biography
- trueAuthors, Hungarian -- 20th century -- Biography
- trueAuthors, Irish -- 20th century -- Biography
- Authors, Irish -- 20th century -- Fiction
- Authors, Israeli -- 20th century -- Biography
- trueAuthors, Italian -- 20th century -- Biography
- trueAuthors, Japanese -- 20th century
- trueAuthors, Jewish -- 20th century -- Biography
- trueAuthors, Kenyan -- 20th century
- trueAuthors, Portuguese -- 20th century -- Biography
- trueAuthors, Russian -- 20th century
- trueAuthors, Russian -- 20th century -- Biography
- trueAuthors, Russian -- 20th century -- Correspondence
- trueAuthors, Scottish -- 20th century -- Biography
- Authors, Scottish -- 20th century -- Correspondence
- Authors, Soviet -- 20th century -- Fiction
- Authors, Spanish -- 20th century -- Family relationships
- Authors, Spanish -- 20th century -- Interviews
- Authors, Spanish American -- 20th century -- Interviews
- trueAuthors, Swedish -- 20th century -- Biography
- Authors, Turkish -- 20th century -- Biography
- trueAuthors, Welsh -- 20th century
- Automobile industry and trade -- Military aspects -- United States -- History -- 20th century
- Automobile industry and trade -- United States -- History -- 20th century
- trueAutomobile racing -- History -- 20th century
- Automobile racing -- History -- 20th century -- Juvenile literature
- trueAutomobile travel -- United States -- History -- 20th century
- Automobiles -- United States -- History -- 20th century
- trueAvalanches -- Washington (State) -- History -- 20th century
- trueAvant-garde (Aesthetics) -- Germany -- History -- 20th century
- trueAvant-garde (Aesthetics) -- History -- 20th century
- trueAvant-garde (Aesthetics) -- United States -- History -- 20th century
- Avant-garde (Aesthetics) -- United States -- History -- 20th century -- Exhibitions
- trueB-17 bomber -- History -- 20th century
- Bahamas -- Social life and customs -- 20th century -- Fiction
- Baltimore (Md.) -- History -- 20th century -- Fiction
- Baltimore (Md.) -- History -- 20th century -- Juvenile fiction
- Baltimore (Md.) -- Social conditions -- 20th century
- Baltimore (Md.) -- Social life and customs -- 20th century
- trueBaltimore, Maryland -- History -- 20th century
- trueBaltimore, Maryland -- Social conditions -- 20th century
- trueBaltimore, Maryland -- Social life and customs -- 20th century
- trueBaltimore, Maryland -- Social life and customs -- 20th century
- trueBank robberies -- United States -- History -- 20th century
- Bankers -- Political activity -- United States -- History -- 20th century
- trueBanks and banking -- United States -- History -- 20th century
- Barcelona (Spain) -- History -- 20th century -- Fiction
- Barcelona (Spain) -- History -- 20th century -- Juvenile fiction
- trueBarcelona, Spain -- History -- 20th century
- trueBarre, Vermont -- History -- 20th century
- trueBaseball -- Detroit, Michigan -- History -- 20th century
- trueBaseball -- History -- 20th century
- Baseball -- Michigan | Detroit -- History -- 20th century
- trueBaseball -- Social aspects -- United States -- History -- 20th century
- trueBaseball -- United States -- History -- 20th century
- Baseball -- United States -- History -- 20th century -- Juvenile literature
- trueBaseball players -- United States -- History -- 20th century
- Baseball uniforms -- United States -- History -- 20th century
- trueBasketball -- History -- 20th century
- trueBasketball -- United States -- History -- 20th century
- Bastogne (Belgium) -- History, Military -- 20th century
- trueBattles -- History -- 20th century
- Battles -- History -- 20th century -- Juvenile literature
- trueBattleships -- History -- 20th century
- Battleships -- History -- 20th century -- Juvenile literature
- trueBedouins -- History -- 20th century
- Beijing (China) -- History -- 20th century
- trueBeijing, China -- History -- 20th century
- trueBeirut, Lebanon -- History -- 20th century
- Belfast (Northern Ireland) -- Religion -- 20th century -- Juvenile fiction
- trueBelgium -- History -- 20th century
- trueBelgium -- History, Military -- 20th century
- trueBell Telephone Laboratories -- History -- 20th century
- Belvoir Castle (England) -- History -- 20th century
- Benevolence -- Ohio | Canton -- History -- 20th century
- Bengal (India) -- History -- 20th century
- Benton County (Iowa) -- Social life and customs -- 20th century
- Berlin (Germany) -- History, Military -- 20th century
- trueBerlin, Germany -- History -- 20th century
- Best sellers -- United States -- History -- 20th century
- Big bands -- United States -- History -- 20th century
- trueBiography -- 20th century
- Biography -- 20th century -- Periodicals
- Birmingham (Ala.) -- Race relations | History -- 20th century
- Birmingham (Ala.) -- Race relations | History -- 20th century -- Juvenile literature
- Birth control -- United States -- History -- 20th century
- trueBismarck, North Dakota -- History -- 20th century
- Black Hand (United States) -- History -- 20th century -- Fiction
- trueBlack nationalism -- United States -- History -- 20th century
- Black power -- Mississippi -- History -- 20th century -- Juvenile literature
- trueBlack power -- United States -- History -- 20th century
- Black power -- United States -- History -- 20th century -- Sources
- Bolivia -- History -- 20th century -- Juvenile fiction
- Bolivia -- History, Military -- 20th century
- trueBolivia, Ejercito -- Commando troops | History -- 20th century
- Bolivia, Ejército -- Commando troops | History -- 20th century
- Bombing, Aerial -- Europe -- History -- 20th century
- Bombing, Aerial -- Germany -- History -- 20th century
- Bombing, Aerial -- History -- 20th century
- Bombing, Aerial -- Social aspects -- Europe -- History -- 20th century
- Bombings -- Alabama | Birmingham -- History -- 20th century
- Bombings -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- trueBombings -- Birmingham, Alabama -- History -- 20th century
- trueBombings -- Los Angeles, California -- History -- 20th century
- Book industries and trade -- History -- 20th century
- Book thefts -- Europe -- History -- 20th century
- trueBooks and reading -- United States -- History -- 20th century
- Bornholm (Denmark) -- History -- 20th century -- Juvenile fiction
- trueBornholm, Denmark -- History -- 20th century
- Bosnia and Herzegovina -- Ethnic relations | History -- 20th century
- Boston (Mass.) -- History -- 20th century -- Fiction
- Boston (Mass.) -- History -- 20th century -- Juvenile fiction
- Boston (Mass.) -- Race relations | History -- 20th century
- Boston (Mass.) -- Social conditions -- 20th century
- trueBoston Celtics (Basketball team) -- History -- 20th century
- trueBoston, Massachusetts -- History -- 20th century
- trueBoston, Massachusetts -- Race relations | History -- 20th century
- trueBoston, Massachusetts -- Social conditions -- 20th century
- trueBoston, Massachusetts -- Social life and customs -- 20th century
- Bowling -- New York (State) | New York -- History -- 20th century
- trueBoxing -- History -- 20th century
- Boys -- California | Ventura -- Social life and customs -- 20th century
- trueBoys -- Social life and customs -- 20th century
- Brazil -- Civilization | American influences | History -- 20th century
- trueBrazil -- History -- 20th century
- trueBrazil -- Politics and government -- 20th century
- Brazil -- Politics and government -- 20th century -- Fiction
- trueBrazil -- Social life and customs -- 20th century
- Brazil -- Social life and customs -- 20th century -- Fiction
- Brazilian poetry -- 20th century
- British -- Africa -- History -- 20th century
- British -- India -- History -- 20th century
- British -- United States -- History -- 20th century
- British -- United States -- History -- 20th century -- Fiction
- British Broadcasting Corporation -- History -- 20th century -- Fiction
- trueBritish in Africa -- History -- 20th century
- trueBritish in Greece -- History -- 20th century
- trueBritish in Italy -- History -- 20th century
- trueBritish in Sicily -- History -- 20th century
- trueBritish in the United States -- History -- 20th century
- trueBroadway, New York City -- History -- 20th century
- Bronx (New York, N.Y.) -- History -- 20th century -- Juvenile fiction
- Bronx (New York, N.Y.) -- Intellectual life -- 20th century
- trueBronx, New York City -- History -- 20th century
- trueBronx, New York City -- Social conditions -- 20th century
- Bronzes -- United States -- 20th century -- Juvenile literature
- trueBronzes, American -- 20th century
- Brooklyn (New York, N.Y.) -- History -- 20th century -- Fiction
- Brooklyn (New York, N.Y.) -- History -- 20th century -- Juvenile fiction
- Brooklyn (New York, N.Y.) -- Social life and customs -- 20th century -- Fiction
- trueBrooklyn, New York City -- History -- 20th century
- trueBrooklyn, New York City -- Social life and customs -- 20th century
- Brothers and sisters -- History -- 20th century -- Fiction
- Budapest (Hungary) -- Ethnic relations | History -- 20th century
- trueBuddhism -- United States -- History -- 20th century
- Buenos Aires (Argentina) -- History -- 20th century -- Fiction
- trueBuenos Aires, Argentina -- History -- 20th century
- Buffalo (N.Y.) -- Social conditions -- 20th century
- Buffalo (N.Y.) -- Social life and customs -- 20th century
- trueBulgaria -- History -- 20th century
- Burlesque (Theater) -- United States -- History -- 20th century
- trueBurlington, North Carolina -- History -- 20th century
- trueBurma -- History -- 20th century
- Burma -- History -- 20th century -- Fiction
- trueBurma -- Politics and government -- 20th century
- trueBus travel -- United States -- History -- 20th century
- Bus travel -- United States -- History -- 20th century -- Juvenile fiction
- trueBusiness -- History -- 20th century
- trueBusiness -- United States -- History -- 20th century
- trueBusing (School integration) -- Boston, Massachusetts -- History -- 20th century
- Busing for school integration -- Massachusetts | Boston -- History -- 20th century
- trueCIA -- History -- 20th century
- Cabanatuan (Philippines) -- History, Military -- 20th century
- trueCabanatuan, Philippines -- History, Military -- 20th century
- trueCabinet officers -- United States -- History -- 20th century
- trueCairo, Egypt -- History -- 20th century
- trueCalcutta, India -- History -- 20th century
- trueCalcutta, India -- Religious life and customs -- 20th century
- trueCali, Colombia -- History -- 20th century
- trueCalifornia -- Civilization -- 20th century
- trueCalifornia -- History -- 20th century
- California -- History -- 20th century -- Fiction
- California -- History -- 20th century -- Juvenile fiction
- California -- Race relations | History -- 20th century
- trueCalifornia -- Social conditions -- 20th century
- trueCalifornia -- Social life and customs -- 20th century
- California -- Social life and customs -- 20th century -- Fiction
- trueCambodia -- History -- 20th century
- Cambodia -- History -- 20th century -- Fiction
- Cambridge (England) -- History -- 20th century -- Fiction
- Cambridge (Mass.) -- Intellectual life -- 20th century
- Cambridge (Mass.) -- Social life and customs -- 20th century -- Fiction
- Cameroon -- Colonization | History -- 20th century -- Fiction
- trueCameroon -- History -- 20th century
- Cameroon -- History -- 20th century -- Juvenile fiction
- trueCamp Hale (Colo.) -- History -- 20th century
- Camp Hale (Colo.) -- History -- 20th century -- Fiction
- trueCanada -- English-French relations -- 20th century
- trueCanada -- History -- 20th century
- Canada -- History -- 20th century -- Fiction
- trueCanada -- Intellectual life -- 20th century
- trueCanada -- Popular culture | History -- 20th century
- trueCanada -- Religion -- 20th century
- trueCanada -- Social life and customs -- 20th century
- Canada -- Social life and customs -- 20th century -- Fiction
- Canadian fiction -- 20th century
- Canadian fiction -- 20th century -- Film adaptations
- Canadian poetry -- 20th century
- Canton (Ohio) -- Economic conditions -- 20th century
- Canton (Ohio) -- History -- 20th century
- trueCanton, Ohio -- Economic conditions -- 20th century
- trueCanton, Ohio -- History -- 20th century
- Cape Cod (Mass.) -- History -- 20th century -- Fiction
- Cape Cod (Mass.) -- History -- 20th century -- Juvenile fiction
- trueCapital market -- History -- 20th century
- Capital punishment -- Mississippi -- History -- 20th century
- Capital punishment -- Social aspects -- Mississippi -- History -- 20th century
- trueCapital punishment -- United States -- History -- 20th century
- trueCapital punishment -- United States. -- History -- 20th century
- trueCaribbean Sea -- History -- 20th century
- trueCaricatures -- United States -- 20th century
- trueCartooning -- Japan -- History -- 20th century
- Caste -- India -- History -- 20th century
- trueCatalonia, Spain -- History -- 20th century
- trueCatholic Church -- History -- 20th century
- trueCatholic Church and social problems -- 20th century
- trueCaucasus -- History -- 20th century
- Caucasus -- History -- 20th century -- Fiction
- trueCelebrities -- 20th century
- trueCelebrities -- 20th century -- Biography
- trueCelebrities -- Las Vegas, Nevada -- History -- 20th century
- Celebrities -- Nevada | Las Vegas -- History -- 20th century
- trueCelebrities -- United States -- History -- 20th century
- Celebrities in mass media -- History -- 20th century
- trueCensorship -- History -- 20th century
- trueCentral America -- History -- 20th century
- trueCentral High School (Little Rock, Ark.) -- History -- 20th century
- Central High School (Little Rock, Ark.) -- History -- 20th century -- Pictorial works | Juvenile literature
- Ceramic tableware -- Social aspects -- United States -- History -- 20th century -- Exhibitions
- Ceramic tableware -- United States -- History -- 20th century -- Exhibitions
- Ceramics -- Design -- 20th century
- Character -- Political aspects -- United States -- History -- 20th century
- Chatham (Ont.) -- History -- 20th century -- Fiction
- Chatham (Ont.) -- History -- 20th century -- Juvenile fiction
- trueChatham, Ontario -- History -- 20th century
- Chiapas (Mexico) -- Politics and government -- 20th century
- Chicago (Ill.) -- Economic conditions -- 20th century
- Chicago (Ill.) -- History -- 20th century
- Chicago (Ill.) -- History -- 20th century -- Fiction
- Chicago (Ill.) -- History -- 20th century -- Juvenile fiction
- Chicago (Ill.) -- Intellectual life -- 20th century
- Chicago (Ill.) -- Race relations | History -- 20th century -- Anecdotes
- Chicago (Ill.) -- Race relations | History -- 20th century -- Juvenile literature
- Chicago (Ill.) -- Social conditions -- 20th century
- Chicago (Ill.) -- Social life and customs -- 20th century
- Chicago (Ill.) -- Social life and customs -- 20th century -- Fiction
- Chicago Region (Ill.) -- Social life and customs -- 20th century -- Anecdotes
- trueChicago, Illinois -- HIstory -- 20th century
- trueChicago, Illinois -- History -- 20th century
- trueChicago, Illinois -- Social life and customs -- 20th century
- Chichi Island (Japan) -- History, Military -- 20th century
- trueChichi Island, Japan -- History, Military -- 20th century
- Child care workers -- United States -- History -- 20th century
- Child sexual abuse -- United States -- History -- 20th century
- Childbirth -- China -- History -- 20th century -- Fiction
- Childbirth -- England | London -- History -- 20th century
- trueChildren -- Books and reading -- Great Britain -- History -- 20th century
- trueChildren -- Books and reading -- United States -- History -- 20th century
- trueChildren -- China -- Social life and customs -- 20th century
- Children -- China -- Social life and customs -- 20th century -- Juvenile literature
- Children -- Europe -- History -- 20th century
- trueChildren -- Germany -- History -- 20th century
- trueChildren -- Great Plains (United States) -- History -- 20th century
- Children -- Great Plains -- History -- 20th century -- Juvenile literature
- Children -- History -- 20th century
- trueChildren -- United States -- History -- 20th century
- Children -- United States -- History -- 20th century -- Juvenile literature
- trueChildren -- United States -- Social conditions -- 20th century
- Children -- United States -- Social conditions -- 20th century -- Juvenile literature
- trueChildren -- United States -- Social life and customs -- 20th century
- Children -- United States -- Social life and customs -- 20th century -- Juvenile literature
- Children and war -- Europe -- History -- 20th century
- trueChildren of migrant farm workers -- Education -- California -- History -- 20th century
- trueChildren's authors -- 20th century -- Biography
- trueChildren's book illustrators -- England -- 20th century
- trueChildren's book illustrators -- United States -- 20th century -- Biography
- trueChildren's literature authors -- 20th century
- trueChildren's literature authors -- 20th century -- Biography
- trueChildren's literature authors -- England -- 20th century
- trueChildren's literature authors, American -- 20th century
- trueChildren's literature authors, American -- 20th century -- Biography
- trueChildren's literature authors, English -- 20th century -- Biography
- trueChildren's literature illustrators, American -- 20th century
- trueChile -- History -- 20th century
- Chile -- History -- 20th century -- Juvenile fiction
- Chilean literature -- 20th century
- Chilean literature -- 20th century -- Translations into English
- Chilean poetry -- 20th century
- trueChina -- Civilization -- 20th century
- trueChina -- Foreign relations -- 20th century
- trueChina -- History -- 20th century
- China -- History -- 20th century -- Biography
- China -- History -- 20th century -- Fiction
- trueChina -- Politics and government -- 20th century
- China -- Politics and government -- 20th century -- Fiction
- trueChina -- Social conditions -- 20th century
- China -- Social conditions -- 20th century -- Fiction
- trueChina -- Social life and customs -- 20th century
- China -- Social life and customs -- 20th century -- Fiction
- Chinatown (San Francisco, Calif.) -- History -- 20th century -- Juvenile fiction
- trueChinatown, San Francisco, California -- History -- 20th century
- trueChristianity -- 20th century
- trueChristianity and literature -- England -- History -- 20th century
- trueChristianity and politics -- United States -- History -- 20th century
- Christians -- China -- History -- 20th century
- trueChristmas -- Ireland -- History -- 20th century
- Christmas -- Korea (North) -- History -- 20th century
- Christmas -- United States -- History -- 20th century
- trueChurch and state -- Germany -- History -- 20th century
- Church and state -- United States -- History -- 20th century
- trueChurch history -- 20th century
- Cincinnati (Ohio) -- History -- 20th century -- Juvenile fiction
- Cincinnati (Ohio) -- History -- 20th century -- Pictorial works
- Cincinnati Reds (Baseball team) -- History -- 20th century
- Cincinnati Reds (Baseball team) -- History -- 20th century -- Pictorial works
- trueCincinnati, Ohio -- History -- 20th century
- trueCincinnati, Ohio -- Social life and customs -- 20th century
- Circus performers -- United States -- 20th century -- Biography
- Citizenship -- Germany -- History -- 20th century
- City and town life -- Germany | Burgdorf (Hannover) -- History -- 20th century -- Fiction
- City and town life -- Missouri -- 20th century -- Fiction
- City and town life -- United States -- History -- 20th century
- trueCity life -- San Francisco, California -- History -- 20th century
- trueCiudad Juarez, Mexico -- Politics and government -- 20th century
- Civil defense -- Social aspects -- Europe -- History -- 20th century
- Civil disobedience -- Alabama | Birmingham -- History -- 20th century
- trueCivil disobedience -- Birmingham, Alabama -- History -- 20th century
- trueCivil rights -- History -- 20th century
- trueCivil rights -- Southern States -- History -- 20th century
- trueCivil rights -- United States -- History -- 20th century
- Civil rights -- United States -- History -- 20th century -- Juvenile literature
- Civil rights demonstrations -- Mississippi -- History -- 20th century
- Civil rights demonstrations -- Mississippi -- History -- 20th century -- Juvenile literature
- Civil rights demonstrations -- United States -- 20th century
- trueCivil rights demonstrations -- Washington (D.C.) -- History -- 20th century
- Civil rights demonstrations -- Washington (D.C.) -- History -- 20th century -- Juvenile fiction
- Civil rights demonstrations -- Washington (D.C.) -- History -- 20th century -- Juvenile literature
- Civil rights demonstrations -- Washington (D.C.) -- History -- 20th century -- Pictorial works
- Civil rights demonstrations -- Washington (D.C.) -- History -- 20th century -- Sources | Juvenile literature
- trueCivil rights demonstrations -- Washington, D.C. -- History -- 20th century
- Civil rights movement -- History -- 20th century -- Pictorial works | Exhibitions
- Civil rights movements -- Alabama -- History -- 20th century -- Juvenile literature
- Civil rights movements -- Alabama | Birmingham -- History -- 20th century
- Civil rights movements -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- Civil rights movements -- Alabama | Birmingham -- History -- 20th century -- Pictorial works | Juvenile literature
- Civil rights movements -- Alabama | Selma -- History -- 20th century -- Juvenile literature
- Civil rights movements -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- Civil rights movements -- History -- 20th century -- Juvenile literature
- Civil rights movements -- Mississippi -- History -- 20th century
- trueCivil rights movements -- Southern States -- History -- 20th century
- Civil rights movements -- Southern States -- History -- 20th century -- Juvenile fiction
- Civil rights movements -- Southern States -- History -- 20th century -- Juvenile literature
- trueCivil rights movements -- United States -- History -- 20th century
- Civil rights movements -- United States -- History -- 20th century -- Chronology
- Civil rights movements -- United States -- History -- 20th century -- Juvenile literature
- Civil rights movements -- United States -- History -- 20th century -- Miscellanea | Juvenile literature
- Civil rights movements -- United States -- History -- 20th century -- Personal narratives
- Civil rights movements -- United States -- History -- 20th century -- Pictorial works
- Civil rights movements -- United States -- History -- 20th century -- Sources
- Civil rights workers -- Crimes against -- Mississippi | Neshoba County -- History -- 20th century
- Civil rights workers -- United States -- 20th century -- Personal narratives
- Civilians in war -- Europe -- History -- 20th century
- trueCivilization -- 20th century
- Civilization, Modern -- 20th century
- Civilization, Modern -- 20th century -- Miscellanea
- trueCivilization, Western -- 20th century
- Clarksville (Tenn.) -- History -- 20th century -- Juvenile fiction
- trueClarksville, Tennessee -- History -- 20th century
- Cleveland (Ohio) -- History -- 20th century
- Cleveland (Ohio) -- History -- 20th century -- Pictorial works
- Cleveland (Ohio) -- Social life and customs -- 20th century
- trueCleveland, Ohio -- History -- 20th century
- trueCleveland, Ohio -- Social life and customs -- 20th century
- trueClothing -- History -- 20th century
- Clothing and dress -- History -- 20th century
- Clothing factories -- New York (State) | New York -- Safety measures | History -- 20th century
- Clothing factories -- New York (State) | New York -- Safety measures | History -- 20th century -- Juvenile literature
- trueClothing industry and trade -- History -- 20th century
- trueCoal miners -- West Virginia -- Social life and customs -- 20th century
- Coal mines and mining -- England | Yorkshire -- History -- 20th century
- Coal mines and mining -- Social aspects -- England | Yorkshire -- History -- 20th century
- Coal mines and mining -- West Virginia -- History -- 20th century
- Coasts -- New Jersey -- History -- 20th century
- Codependency -- Poetry -- 20th century
- Cold cases (Criminal investigation) -- England | London -- History -- 20th century
- trueCollective farms -- Kazakhstan -- History -- 20th century
- trueCollege students -- Political activity -- Germany -- History -- 20th century
- College students -- Political activity -- Germany | Munich -- History -- 20th century
- College students -- Political activity -- Germany | Munich -- History -- 20th century -- Juvenile literature
- trueCollege students -- Political activity -- United States -- History -- 20th century
- trueColombia -- History -- 20th century
- Colombia -- History -- 20th century -- Fiction
- Colombian fiction -- 20th century
- Color in art -- 20th century -- Pictorial works
- Color in design -- 20th century -- Pictorial works
- trueColorado -- History -- 20th century
- Colorado -- History -- 20th century -- Fiction
- Colorado -- History -- 20th century -- Juvenile fiction
- Columbus (N.M.) -- History -- 20th century
- Columbus (Ohio) -- History -- 20th century
- Columbus (Ohio) -- Social conditions -- 20th century
- trueColumbus, New Mexico -- History -- 20th century
- trueCombat -- History -- 20th century
- Comedy sketches -- United States -- History -- 20th century
- Comic books, strips, etc. -- United States -- 20th century -- History and criticism
- Comic books, strips, etc. -- United States -- History -- 20th century
- trueCommand of troops -- Great Britain -- History -- 20th century
- trueCommand of troops -- History -- 20th century
- Commercial crimes -- Illinois | Chicago -- History -- 20th century
- trueCommunism -- China -- History -- 20th century
- trueCommunism -- Cuba -- History -- 20th century
- Communism -- Europe, Eastern -- History -- 20th century
- trueCommunism -- History -- 20th century
- Communism -- Social aspects -- Europe, Eastern -- History -- 20th century
- trueCommunism -- Spain -- History -- 20th century
- trueCommunism -- United States -- History -- 20th century
- Communism -- United States -- History -- 20th century -- Juvenile literature
- Communism and society -- History -- 20th century -- Fiction
- trueComposers -- 20th century
- trueComposers -- United States -- 20th century
- Concentration camps -- Austria -- History -- 20th century
- Concentration camps -- Germany -- History -- 20th century
- Concentration camps -- History -- 20th century
- Concerts -- Washington (D.C.) -- History -- 20th century
- trueConcerts -- Washington, D.C. -- History -- 20th century
- Coney Island (New York, N.Y.) -- History -- 20th century -- Juvenile fiction
- trueCongo (Democratic Republic) -- Race relations | History -- 20th century
- trueConnecticut -- History -- 20th century
- trueConservation of natural resources -- United States -- History -- 20th century
- trueConservatism -- United States -- History -- 20th century
- trueConservatism -- United States -- History -- 20th century -- Personal narratives
- trueConspiracies -- History -- 20th century
- Conspiracies -- Texas | Dallas -- History -- 20th century
- trueConspiracies -- United States -- History -- 20th century
- trueConsumer economics -- United States -- History -- 20th century
- Consumption (Economics) -- Social aspects -- United States -- History -- 20th century
- trueContract bridge -- Social aspects -- Kansas City, Missouri -- History -- 20th century
- Cookbooks -- History -- 20th century
- Cooking -- History -- 20th century
- trueCooking, American -- History -- 20th century
- Cooks -- History -- 20th century
- Cornwall (England : County) -- Social conditions -- 20th century -- Fiction
- trueCornwall, England -- Social life and customs -- 20th century
- Corporations -- Political activity -- United States -- History -- 20th century
- Corruption -- Louisiana -- History -- 20th century
- Corruption -- Louisiana | New Orleans -- History -- 20th century
- trueCorruption investigation -- Louisiana -- History -- 20th century
- trueCosmetics industry and trade -- History -- 20th century
- Costume -- History -- 20th century
- Costume -- History -- 20th century -- Juvenile literature
- trueCostume -- United States -- History -- 20th century
- Costume design -- France | Paris -- History -- 20th century
- Costume jewelry -- History -- 20th century -- Catalogs
- Costume jewelry -- United States -- History -- 20th century
- Costume jewelry -- United States -- History -- 20th century -- Catalogs
- trueCotswolds, England -- History -- 20th century
- trueCotton farmers -- Alabama -- History -- 20th century
- trueCounterculture -- History -- 20th century
- trueCounterculture -- United States -- History -- 20th century
- Country homes -- Great Britain -- History -- 20th century
- Country life -- England -- History -- 20th century
- Country life -- Georgia | Plains -- History -- 20th century
- Country life -- Ireland -- History -- 20th century
- Courage -- Korea (North) -- History -- 20th century
- Cowra (N.S.W.) -- History -- 20th century -- Fiction
- trueCreativity -- History -- 20th century
- Crime -- England -- History -- 20th century
- Crime -- Georgia -- History -- 20th century
- Crime -- Louisiana | New Orleans -- History -- 20th century
- trueCrime -- United States -- History -- 20th century
- trueCrimes against African Americans -- History -- 20th century
- trueCrimes against African-Americans -- Mississippi -- History -- 20th century
- trueCrimes against African-Americans -- Oxford, North Carolina -- History -- 20th century
- trueCrimes against Tutsi (African people) -- Rwanda -- History -- 20th century
- trueCrimes against civil rights workers -- Mississippi -- History -- 20th century
- Criminal investigation -- History -- 20th century
- trueCriminal investigation -- United States -- History -- 20th century
- trueCriminal justice system -- Louisiana -- History -- 20th century
- Criminal justice, Administration of -- Corrupt practices -- Georgia -- History -- 20th century
- Criminal justice, Administration of -- Georgia | McIntosh County -- History -- 20th century
- Criminal justice, Administration of -- Louisiana -- History -- 20th century
- trueCriminal liability -- Social aspects -- United States -- History -- 20th century
- Criminals -- History -- 20th century -- Sources -- Miscellanea
- trueCriminals -- United States -- History -- 20th century
- trueCrisis management in government -- United States -- History -- 20th century
- trueCritics -- United States -- 20th century
- Crown jewels -- Austria -- History -- 20th century
- trueCruisers (Warships) -- United States -- History -- 20th century
- Cryptographers -- United States -- History -- 20th century
- Cryptography -- History -- 20th century
- trueCryptography -- United States -- History -- 20th century
- Crystal City (Tex.) -- History -- 20th century
- trueCuba -- History -- 20th century
- Cuba -- History -- 20th century -- Fiction
- Cuba -- History -- 20th century -- Juvenile literature
- trueCuba -- Social life and customs -- 20th century
- Cuban poetry -- 20th century
- Cults -- California -- History -- 20th century
- Cults -- Guyana -- History -- 20th century
- trueCults -- United States -- History -- 20th century
- Cultural property -- Protection -- Europe -- History -- 20th century
- Cultural property -- Protection -- Italy -- History -- 20th century
- trueCulture conflict -- San Francisco, California -- History -- 20th century
- trueCulture conflict -- United States -- History -- 20th century
- trueCyprus -- History -- 20th century
- trueCzech Republic -- History -- 20th century
- trueCzechoslovakia -- History -- 20th century
- trueCzechoslovakia -- Social conditions -- 20th century
- Dallas (Tex.) -- History -- 20th century
- trueDallas, Texas -- History -- 20th century
- Dams -- Ohio | Columbus Region -- History -- 20th century
- Davao City (Philippines) -- History, Military -- 20th century
- Deception (Military science) -- History -- 20th century
- Deception (Military science) -- History -- 20th century -- Fiction
- Deception -- Great Britain -- History -- 20th century
- Deception -- Spain | Atlantic Coast -- History -- 20th century
- Democratic Party (U.S.) -- History -- 20th century
- trueDemocratic Party -- History -- 20th century
- Democratization -- Korea (South) -- History -- 20th century -- Fiction
- Demonstrations -- Northern Ireland | Londonderry -- History -- 20th century -- Drama
- trueDenmark -- History -- 20th century
- Denmark -- History -- 20th century -- Juvenile fiction
- trueDenver, Colorado -- History -- 20th century
- Depreciation -- United States -- History -- 20th century
- Desertion, Military -- History -- 20th century
- trueDesign -- History -- 20th century
- Destroyers (Warships) -- United States -- History -- 20th century -- Fiction
- Detectives -- New York (State) | New York -- History -- 20th century
- Detroit (Mich.) -- History -- 20th century
- trueDetroit, Michigan -- History -- 20th century
- trueDetroit, Michigan -- Social life and customs -- 20th century
- trueDiplomacy -- Great Britain -- History -- 20th century
- trueDiplomacy -- United States -- History -- 20th century
- trueDiplomats -- United States -- History -- 20th century
- Disaster relief -- United States -- History -- 20th century
- trueDisasters -- Chicago, Illinois -- History -- 20th century
- Disasters -- Illinois | Chicago -- History -- 20th century
- Disasters -- Ohio | Cleveland -- History -- 20th century -- Pictorial works
- Discrimination in capital punishment -- Mississippi -- History -- 20th century
- Discrimination in criminal justice administration -- Florida | Groveland -- History -- 20th century
- Discrimination in criminal justice administration -- Georgia -- History -- 20th century
- Discrimination in criminal justice administration -- Mississippi -- History -- 20th century
- trueDiscrimination in employment -- United States -- History -- 20th century
- Discrimination in housing -- Government policy -- United States -- History -- 20th century
- trueDiscrimination in sports -- United States -- History -- 20th century
- trueDisinformation -- History -- 20th century
- Documentary films -- Chile -- History -- 20th century
- Documentary photography -- Great Plains -- History -- 20th century -- Juvenile literature
- trueDocumentary photography -- United States -- History -- 20th century
- trueDogs -- War use -- United States -- History -- 20th century
- Dogs -- War use -- United States -- History -- 20th century -- Juvenile literature
- trueDogs -- War use | History -- 20th century
- Dogs in motion pictures -- History -- 20th century
- Dogs in the performing arts -- History -- 20th century
- Dolls -- History -- 20th century -- Catalogs
- Dorset (England) -- History -- 20th century -- Fiction
- Dorset (England) -- Social conditions -- 20th century -- Fiction
- Dover (England) -- History -- 20th century -- Fiction
- Dover (England) -- History -- 20th century -- Juvenile fiction
- trueDover, England -- History -- 20th century
- Draft -- United States -- History -- 20th century -- Fiction
- trueDrama -- 20th century
- trueDrama -- 20th century -- History and criticism
- trueDramatists, American -- 20th century
- trueDramatists, American -- 20th century -- Biography
- trueDramatists, English -- 20th century -- Biography
- trueDramatists, English -- 20th century -- Family relationships
- Dramatists, Italian -- 20th century -- Fiction
- Drawing -- 20th century -- Themes, motives
- Drawing, Scottish -- 20th century
- Dress accessories -- History -- 20th century
- trueDroughts -- Great Plains (United States) -- History -- 20th century
- trueDroughts -- Great Plains -- History -- 20th century
- Droughts -- Great Plains -- History -- 20th century -- Juvenile literature
- trueDroughts -- Southwest (United States) -- History -- 20th century
- Drug abuse and crime -- New York (State) | New York -- History -- 20th century
- Drug control -- United States -- History -- 20th century
- Drug traffic -- Florida | Miami -- History -- 20th century
- Drug traffic -- United States -- History -- 20th century
- Drugs -- Germany -- History -- 20th century
- Dublin (Ireland) -- History -- 20th century -- Fiction
- Dublin (Ireland) -- Social conditions -- 20th century
- Dublin (Ireland) -- Social life and customs -- 20th century -- Fiction
- trueDublin, Ireland -- History -- 20th century
- trueDublin, Ireland -- Social conditions -- 20th century
- trueDublin, Ireland -- Social life and customs -- 20th century
- trueDust storms -- Great Plains (United States) -- History -- 20th century
- trueDust storms -- Great Plains -- History -- 20th century
- Dust storms -- Great Plains -- History -- 20th century -- Juvenile literature
- Earthquake damage -- Alaska | Prince William Sound Region -- History -- 20th century
- Earthquakes -- California | San Francisco -- History -- 20th century
- Earthquakes -- California | San Francisco -- History -- 20th century -- Fiction
- Earthquakes -- California | San Francisco -- History -- 20th century -- Juvenile fiction
- trueEarthquakes -- San Francisco, California -- History -- 20th century
- East End (London, England) -- Biography -- 20th century
- East End (London, England) -- History -- 20th century
- East End (London, England) -- Social conditions -- 20th century
- trueEast Germany -- History -- 20th century
- trueEast Harlem, New York City -- History -- 20th century
- trueEast Texas -- History -- 20th century
- trueEast Texas -- Social conditions -- 20th century
- trueEastern Europe -- History -- 20th century
- trueEastern Europe -- Social conditions -- 20th century
- trueEatonville (Fla.) -- History -- 20th century
- Eatonville (Fla.) -- History -- 20th century -- Fiction
- Eatonville (Fla.) -- History -- 20th century -- Juvenile fiction
- Economic assistance, Domestic -- United States -- History -- 20th century
- trueEconomic history -- 20th century
- trueEconomic policy -- 20th century
- trueEconomics -- History -- 20th century
- trueEcuador -- Religious life and customs -- 20th century
- trueEcuador -- Social life and customs -- 20th century
- Edinburgh (Scotland) -- Social life and customs -- 20th century -- Fiction
- trueEdinburgh, Scotland -- History -- 20th century
- Editorial cartoons -- United States -- History -- 20th century
- trueEditors -- United States -- 20th century -- Biography
- Edna (Tex.) -- Race relations -- 20th century
- Education -- Colorado -- History -- 20th century
- Education of princesses -- Great Britain -- History -- 20th century -- Fiction
- Education, Higher -- United States -- History -- 20th century
- Education, Primary -- History -- 20th century
- Education, Primary -- United States -- History -- 20th century
- trueEgypt -- History -- 20th century
- Egypt -- History -- 20th century -- Juvenile fiction
- trueEgypt -- Social life and customs -- 20th century
- trueElections -- United States -- History -- 20th century
- Electronic digital computers -- History -- 20th century
- trueElectronic warfare aircraft -- United States -- History -- 20th century
- trueEngland -- Civilization -- 20th century
- trueEngland -- Economic conditions -- 20th century
- trueEngland -- History -- 20th century
- trueEngland -- Popular culture | History -- 20th century
- trueEngland -- Religious life and customs -- 20th century
- trueEngland -- Social conditions -- 20th century
- trueEngland -- Social life and customs -- 20th century
- England -- Social life and customs -- 20th century -- Drama
- England -- Social life and customs -- 20th century -- Fiction