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
A sample of Items that are about the Temporal 20th century See All
Context
Context of 20th centurySubfocus of
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- A Shau Valley (Vietnam) -- History -- 20th century
- AIDS (Disease) -- California | San Francisco -- History -- 20th century
- Aboriginal Australians -- Social conditions -- 20th century
- Abstract expressionism -- United States -- 20th century
- Adirondack Mountains (N.Y.) -- History -- 20th century -- Juvenile fiction
- trueAdirondack Mountains, New York -- History -- 20th century
- trueAdmirals -- United States -- History -- 20th century
- Adoption -- United States -- History -- 20th century
- Adoption agencies -- Corrupt practices -- United States -- History -- 20th century
- trueAdvertising -- United States -- History -- 20th century
- trueAdvertising agencies -- United States -- History -- 20th century
- Aeronautics -- Competitions | History -- 20th century
- Aeronautics -- Flights | History -- 20th century -- Juvenile literature
- Aeronautics -- Hawaii -- History -- 20th century
- Aeronautics -- History -- 20th century
- Aeronautics -- Research | United States -- History -- 20th century
- Aeronautics -- Safety measures | Research -- United States -- History -- 20th century
- trueAeronautics -- United States -- History -- 20th century
- Aeronautics and state -- United States -- History -- 20th century
- Aeronautics, Commercial -- History -- 20th century
- Aeronautics, Military -- Research -- United States -- History -- 20th century
- Aeronautics, Military -- Technological innovations -- Germany -- History -- 20th century
- Aeronautics, Military -- Technological innovations | History -- 20th century
- Aeronautics, Military -- 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 life and customs -- 20th century
- Africa, East -- History -- 20th century -- Juvenile fiction
- Africa, North -- History -- 20th century -- Juvenile fiction
- Africa, West -- Social conditions -- 20th century -- 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
- African American artists -- 20th century -- Biography
- trueAfrican American arts -- 20th century
- African American athletes -- Social conditions -- 20th century
- trueAfrican American authors -- 20th century -- Biography
- African American authors -- 20th century -- Biography | Juvenile literature
- African American automobile drivers -- History -- 20th century
- African American baseball players -- Biography -- 20th century
- African American cartoonists -- History -- 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
- trueAfrican American civil rights workers -- History -- 20th century
- trueAfrican American families -- Social conditions -- 20th century
- African American fighter pilots -- History -- 20th century -- Drama
- African American girls -- Education | History -- 20th century
- African American girls -- Georgia -- History -- 20th century -- Juvenile literature
- African American girls -- Illinois | Chicago Region -- Social conditions -- 20th century
- trueAfrican American girls -- Mississippi -- Social conditions -- 20th century
- African American high school students -- Arkansas | Little Rock -- History -- 20th century -- Pictorial works | Juvenile literature
- trueAfrican American leadership -- History -- 20th century
- African American lesbians -- 20th century -- Fiction
- African American neighborhoods -- Oklahoma | Tulsa -- History -- 20th century
- African American novelists -- 20th century -- Biography
- trueAfrican American poets -- 20th century
- African American poets -- 20th century -- Biography | Juvenile literature
- African American police -- Georgia -- 20th century -- Fiction
- African American prisoners -- Georgia -- Social conditions -- 20th century -- Juvenile literature
- trueAfrican American sailors -- History -- 20th century
- African American sailors -- History -- 20th century -- Juvenile literature
- trueAfrican American soldiers -- History -- 20th century
- 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
- African American students -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- trueAfrican American students -- Birmingham, Alabama -- History -- 20th century
- African American students -- Louisiana | New Orleans -- History -- 20th century -- Juvenile literature
- African American teachers -- Political activity -- Alabama | Selma -- History -- 20th century -- Juvenile literature
- African American theater -- History -- 20th century
- African American women -- Civil rights | History -- 20th century
- African American women -- Employment | History -- 20th century
- trueAfrican American women -- History -- 20th century
- trueAfrican American women authors -- 20th century -- Biography
- trueAfrican American women poets -- 20th century -- Biography
- African American young women -- Social conditions -- 20th century
- African American youth -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African Americans -- 20th century -- Fiction
- 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 -- Georgia -- History -- 20th century -- Juvenile literature
- African Americans -- Civil rights -- Maryland -- History -- 20th century -- Juvenile literature
- 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
- African Americans -- Civil rights -- Mississippi | Natchez -- History -- 20th century
- trueAfrican Americans -- Civil rights -- Montgomery, Alabama -- History -- 20th century
- trueAfrican Americans -- Civil rights -- Montgomery, Alabama -- History -- 20th century -- Personal narratives
- African Americans -- Civil rights -- New Jersey -- 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
- 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 -- United States -- History -- 20th century
- 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 films
- African Americans -- Civil rights | History -- 20th century -- Juvenile literature
- African Americans -- Civil rights | History -- 20th century -- Juvenile poetry
- 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 | Catalogs
- African Americans -- Civil rights | History -- 20th century -- Pictorial works | Exhibitions
- trueAfrican Americans -- Civil rights | History -- 20th century -- Sources
- African Americans -- Civil rights. -- Alabama | Montgomery -- History -- 20th century
- 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 -- Education -- Southern States -- History -- 20th century
- African Americans -- Florida | Rosewood -- History -- 20th century -- Drama
- African Americans -- Georgia -- Social conditions -- 20th century
- African Americans -- Georgia -- Social conditions -- 20th century -- Pictorial works
- trueAfrican Americans -- History -- 20th century
- African Americans -- History -- 20th century -- Drama
- African Americans -- History -- 20th century -- Pictorial works | Catalogs
- 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
- African Americans -- Legal status, laws, etc. -- 20th century
- trueAfrican Americans -- Marion, Indiana -- Social conditions -- 20th century
- African Americans -- Maryland | Baltimore -- Social conditions -- 20th century
- trueAfrican Americans -- Memphis, Tennessee -- Social conditions -- 20th century
- African Americans -- Michigan | Detroit -- 20th century -- Drama
- trueAfrican Americans -- Migrations | History -- 20th century
- African Americans -- Migrations | History -- 20th century -- Fiction
- African Americans -- Migrations | History -- 20th century -- Juvenile poetry
- trueAfrican Americans -- Mississippi -- Social conditions -- 20th century
- African Americans -- New York (State) | New York -- Intellectual life -- 20th century
- trueAfrican Americans -- New York City -- History -- 20th century
- African Americans -- Ohio | Cleveland -- Politics and government -- 20th century
- African Americans -- Oklahoma | Tulsa -- History -- 20th century
- trueAfrican Americans -- Political activity | History -- 20th century
- trueAfrican Americans -- Politics and government -- 20th century
- African Americans -- Politics and government -- 20th century -- Sources
- African Americans -- Segregation -- 20th century
- trueAfrican Americans -- Segregation -- Mississippi -- History -- 20th century
- African Americans -- Segregation -- Mississippi -- History -- 20th century -- Juvenile literature
- African Americans -- Segregation -- Mississippi | Natchez -- History -- 20th century
- trueAfrican Americans -- Segregation | History -- 20th century
- trueAfrican Americans -- Social conditions -- 20th century
- African Americans -- Social conditions -- 20th century -- Exhibitions
- trueAfrican Americans -- Social life and customs -- 20th century
- trueAfrican Americans -- Southern States -- History -- 20th century
- African Americans -- Southern States -- History -- 20th century -- Comic books, strips, etc
- African Americans -- Southern States -- History -- 20th century -- Juvenile poetry
- African Americans -- Suffrage -- Alabama | Selma -- History -- 20th century
- African Americans -- Suffrage -- Alabama | Selma -- History -- 20th century -- Juvenile literature
- African Americans -- Suffrage -- Alabama | Selma -- History -- 20th century -- Pictorial works
- trueAfrican Americans -- Suffrage -- Mississippi -- History -- 20th century
- African Americans -- Suffrage -- Mississippi -- History -- 20th century -- Juvenile literature
- African Americans -- Tennessee | Memphis -- Social conditions -- 20th century -- Juvenile fiction
- African Americans -- Tennessee | Memphis -- Social conditions -- 20th century -- Juvenile literature
- African Americans -- Travel | History -- 20th century
- trueAfrican Americans -- Tulsa, Oklahoma -- History -- 20th century
- African Americans -- Violence against -- Oklahoma | Tulsa -- History -- 20th century -- Juvenile fiction
- African Americans -- Violence against -- Oklahoma | Tulsa -- History -- 20th century -- Juvenile literature
- African Americans -- Violence against -- South Carolina -- History -- 20th century
- African Americans -- Violence against | History -- 20th century
- African National Congress -- History -- 20th century -- Sources
- African-American novelists -- 20th century -- Biography | Juvenile literature
- African-American women novelists -- 20th century -- Biography | Juvenile literature
- 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
- Agriculture -- Ohio -- 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 -- Korea -- History -- 20th century
- 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
- Airmen -- United States -- History -- 20th century
- Airplane factories -- California | Inglewood -- History -- 20th century
- Airplane racing -- United States -- History -- 20th century
- Airplanes -- California -- Flight testing | History -- 20th century
- trueAirplanes -- History -- 20th century
- Airplanes, Military -- History -- 20th century
- Airplanes, Military -- United States -- History -- 20th century
- trueAirship accidents -- New Jersey -- History -- 20th century
- Airships -- History -- 20th century
- Alabama -- 20th century -- Fiction
- trueAlabama -- History -- 20th century
- Alabama -- History -- 20th century -- Fiction
- 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
- Alabama -- Rural conditions -- 20th century -- Juvenile literature
- trueAlabama -- Social life and customs -- 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
- 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
- Alcoholic beverage industry -- United States -- History -- 20th century
- Alcoholic beverage law violations -- United States -- History -- 20th century
- 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
- Algeria -- Social life and customs -- 20th century -- Comic books, strips, etc
- Alliances -- History -- 20th century
- Alternative rock music -- History -- 20th century
- Amateur films -- Texas | Dallas -- History -- 20th century
- American Dream -- 20th century -- Fiction
- American drama -- 20th century
- trueAmerican drama -- 20th century -- History and criticism
- American drama -- 20th century -- History and criticism | Theory, etc
- American drama -- 20th century -- Juvenile literature
- American essays -- 20th century
- American fiction -- 20th century
- American fiction -- 20th century
- trueAmerican fiction -- 20th century -- History and criticism
- American fiction -- Women authors -- 20th century
- trueAmerican literature -- 20th century
- American literature -- 20th century -- Criticism and interpretation
- 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
- American poetry -- 20th century -- Criticism and interpretation
- American poetry -- 20th century -- Encyclopedias
- trueAmerican poetry -- 20th century -- History and criticism
- American poetry -- 20th century -- Periodicals
- American poetry -- 20th century -- Women authors
- American poetry -- African American authors -- 20th century
- American prose literature -- 20th century
- American wit and humor -- 20th century
- Americans -- Europe -- 20th century -- Fiction
- Americans -- Europe -- History -- 20th century
- Americans -- France | Paris -- 20th century -- Fiction
- Americans -- France | Paris -- History -- 20th century
- Americans -- Great Britain -- History -- 20th century
- Americans -- Philippines -- History -- 20th century
- Americans -- Spain -- History -- 20th century
- trueAmericans in France -- History -- 20th century
- trueAmericans in Great Britain -- 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
- Amusement parks -- Maryland | Woodlawn -- History -- 20th century -- Juvenile literature
- Animals -- War use -- Canada -- History -- 20th century -- Juvenile literature
- trueAnimals -- War use | 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-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
- trueAnti-fascist movements -- Italy -- History -- 20th century
- Anti-racism -- Great Britain -- History -- 20th century
- Anti-submarine warfare -- History -- 20th century
- Antichrist -- History of doctrines -- 20th century
- Antinuclear movement -- United States -- History -- 20th century -- Biography
- trueAntipoverty programs -- United States -- History -- 20th century
- trueAntisemitism -- Germany -- History -- 20th century
- Antisemitism -- Romania -- 20th century -- Drama
- trueAntisemitism -- United States -- History -- 20th century
- Apartheid -- South Africa -- History -- 20th century -- Sources
- Apologetics -- 20th century
- 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
- 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
- Arabian horse -- Poland -- History -- 20th century -- Juvenile literature
- trueArabs -- History -- 20th century
- Araya (Venezuela) -- Social life and customs -- 20th century
- Architects -- New York (State) | New York -- 20th century -- Biography | Comic books, strips, etc
- Architecture -- Canadian Rockies (B.C. and Alta.) -- History -- 20th century
- Architecture -- New York (State) | New York -- 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
- Architecture and society -- New York (State) | New York -- History -- 20th century
- trueArchitecture and society -- United States -- History -- 20th century
- trueArchitecture, American -- 20th century
- Architecture, American -- 20th century -- Exhibitions
- trueArchitecture, Domestic -- 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
- Argentine fiction -- 20th century
- Aristocracy (Social class) -- England -- 20th century -- Fiction
- 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
- 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
- Armenians -- Turkey -- History -- 20th century
- trueArmenians in Turkey -- History -- 20th century
- Arms race -- Europe -- History -- 20th century -- Juvenile literature
- trueArms race -- History -- 20th century
- Arras (France) -- History -- 20th century -- Fiction
- trueArt -- Collectors and collecting -- Europe -- History -- 20th century
- Art -- Economic aspects | History -- 20th century
- Art -- France | Paris -- 20th century -- Fiction
- trueArt -- Marketing | History -- 20th century
- Art and popular culture -- United States -- History -- 20th century
- Art and popular culture -- United States -- History -- 20th century -- Exhibitions
- Art and society -- California | Los Angeles -- History -- 20th century
- Art and society -- New York (State) | New York -- 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 -- 20th century -- History
- Art objects -- Design -- 20th century
- Art objects, American -- 20th century -- Handbooks, manuals, etc
- Art objects, European -- 20th century -- Handbooks, manuals, etc
- Art pottery, American -- Ohio | Zanesville -- 20th century -- Catalogs
- Art quilts -- Ohio -- History -- 20th century
- trueArt thefts -- Europe -- History -- 20th century
- Art thefts -- Europe -- History -- 20th century -- Fiction
- trueArt thefts -- Germany -- History -- 20th century
- Art thefts -- Germany -- History -- 20th century -- Drama
- Art thefts -- Germany -- History -- 20th century -- Fiction
- Art thefts -- Germany -- History -- 20th century -- Juvenile literature
- Art thefts -- Italy -- History -- 20th century
- trueArt treasures in war -- Europe -- History -- 20th century
- Art treasures in war -- Europe -- History -- 20th century -- Drama
- Art treasures in war -- Europe -- History -- 20th century -- Fiction
- Art treasures in war -- Europe -- History -- 20th century -- Juvenile literature
- Art treasures in war -- France -- 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 -- Themes, motives
- Art, American -- Illinois | Chicago -- 20th century -- Exhibitions
- Art, American -- New York (State) | New York -- 20th century
- Art, American -- Ohio | Cleveland -- 20th century -- Exhibitions
- trueArt, European -- 20th century
- Art, European -- 20th century -- Themes, motives
- trueArt, French -- 20th century
- trueArt, German -- 20th century
- Art, Modern -- 20th century
- Art, Modern -- 20th century -- Catalogs
- Art, Modern -- 20th century -- Economic aspects
- Art, Modern -- 20th century -- Exhibitions
- Art, Modern -- 20th century -- Fiction
- Art, Modern -- 20th century -- Guidebooks
- Art, Modern -- 20th century -- History
- Art, Modern -- 20th century -- History and criticism
- Art, Modern -- 20th century -- Juvenile literature
- Art, Modern -- 20th century -- Public opinion
- Art, Modern -- 20th century -- United States -- Juvenile literature
- trueArtists -- 20th century
- trueArtists -- 20th century -- Biography
- Artists -- France | Paris -- 20th century -- Fiction
- Artists -- France | Paris -- History -- 20th century
- Artists -- History -- 20th century
- Artists -- Japan -- 20th century
- Artists -- New York (State) | New York -- 20th century -- Fiction
- trueArtists -- United States -- 20th century
- trueArtists -- United States -- 20th century -- Biography
- Artists' books -- United States -- 20th century
- Artists, Black -- Race identity -- United States -- History -- 20th century
- trueArts -- Austria -- History -- 20th century
- Arts -- France | Paris -- History -- 20th century
- Arts -- Great Britain -- History -- 20th century
- trueArts -- United States -- 20th century
- Arts, American -- 20th century
- Arts, American -- New York (State) | New York -- 20th century
- Arts, Austrian -- 20th century
- Arts, Modern -- 20th century -- Exhibitions
- Arts, Russian -- 20th century -- Political aspects
- Arts, modern -- 20th century -- Fiction
- 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 -- History, Military -- 20th century
- Asia -- Social conditions -- 20th century -- Comic books, strips, etc
- trueAsia -- Social life and customs -- 20th century
- Asiatic elephant -- Burma -- History -- 20th century
- trueAssassins -- Germany -- History -- 20th century
- Astronautics -- History -- 20th century -- Juvenile literature
- Astronautics -- Political aspects -- United States -- History -- 20th century
- Astronautics -- Soviet Union -- History -- 20th century
- Astronautics -- Soviet Union -- History -- 20th century -- Juvenile literature
- trueAstronautics -- United States -- History -- 20th century
- Astronautics -- United States -- History -- 20th century -- Fiction
- Astronautics -- United States -- History -- 20th century -- Juvenile literature
- Astronautics and state -- United States -- History -- 20th century
- Astronauts -- United States -- History -- 20th century
- trueAstronomy -- History -- 20th century
- Athletes -- 20th century -- Juvenile literature
- Atlanta (Ga.) -- History -- 20th century -- Fiction
- Atlanta (Ga.) -- History -- 20th century -- Juvenile fiction
- Atlanta (Ga.) -- Race relations | History -- 20th century
- Atlanta (Ga.) -- Social life and customs -- 20th century -- Fiction
- trueAtlanta, Georgia -- History -- 20th century
- trueAtlanta, Georgia -- Race relations | History -- 20th century
- Atlantic Coast (Spain) -- History, Military -- 20th century
- Atlantic Coast (U.S.) -- History, Naval -- 20th century
- Atomic bomb -- Germany -- History -- 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
- Australian fiction -- 20th century
- trueAustria -- History -- 20th century
- trueAustria -- Social life and customs -- 20th century
- trueAuthors -- 20th century
- trueAuthors -- 20th century -- Biography
- 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
- 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
- Authors, American -- 20th century -- Biography | Comic books, strips, etc
- Authors, American -- 20th century -- Biography | Encyclopedias
- Authors, American -- 20th century -- Biography | Family
- 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 literature
- Authors, American -- 20th century -- Biography | Juvenile poetry
- Authors, American -- 20th century -- Biography | Juvenile sound recordings
- trueAuthors, American -- 20th century -- Biography | Pictorial works
- Authors, American -- 20th century -- Biography | Poetry
- trueAuthors, American -- 20th century -- Books and reading
- trueAuthors, American -- 20th century -- Correspondence
- Authors, American -- 20th century -- Correspondence -- Drama
- trueAuthors, American -- 20th century -- Criticism and interpretation
- Authors, American -- 20th century -- Diaries
- 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 -- Family relationships -- Juvenile literature
- Authors, American -- 20th century -- Fiction
- Authors, American -- 20th century -- Fiction
- trueAuthors, American -- 20th century -- Interviews
- Authors, American -- 20th century -- Interviews | Juvenile literature
- Authors, American -- 20th century -- Juvenile literature
- Authors, American -- 20th century -- Portraits | Exhibitions
- trueAuthors, American -- 20th century -- Travel -- Italy
- Authors, Argentine -- 20th century -- Diaries
- Authors, Argentine -- 20th century -- Interviews
- trueAuthors, Australian -- 20th century -- Biography
- trueAuthors, Austrian -- 20th century -- Biography
- trueAuthors, Brazilian -- 20th century -- Biography
- trueAuthors, British -- 20th century -- Biography
- Authors, Canadian (English) -- 20th century -- Biography
- trueAuthors, Canadian -- 20th century -- Biography
- trueAuthors, Canadian -- 20th century -- Biography
- Authors, Canadian -- 20th century -- Biography | Juvenile literature
- Authors, Catalan -- 20th century
- Authors, Chilean -- 20th century
- trueAuthors, Chilean -- 20th century -- Biography
- Authors, Chilean -- 20th century -- Biography | Juvenile literature
- Authors, Chilean -- 20th century -- Family relationships
- trueAuthors, Chinese -- 20th century
- trueAuthors, Chinese -- 20th century -- Biography
- trueAuthors, Colombian -- 20th century -- Biography
- Authors, Colombian -- 20th century -- Biography | Juvenile literature
- trueAuthors, Danish -- 20th century -- Biography
- Authors, Danish -- 20th century -- Drama
- Authors, Dutch -- 20th century -- Biography
- Authors, Dutch -- 20th century -- Fiction
- trueAuthors, English -- 20th century
- trueAuthors, English -- 20th century -- Biography
- Authors, English -- 20th century -- Biography
- Authors, English -- 20th century -- Biography | Exhibitions
- 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 -- Fiction
- Authors, English -- 20th century -- Juvenile literature
- Authors, English -- England -- 20th century -- Fiction
- trueAuthors, French -- 20th century
- Authors, French -- 20th century -- Biography
- trueAuthors, French -- 20th century -- Biography
- Authors, French -- 20th century -- Biography | Juvenile literature
- trueAuthors, French -- 20th century -- Correspondence
- trueAuthors, French -- 20th century -- Criticism and interpretation
- Authors, French -- 20th century -- Drama
- trueAuthors, German -- 20th century -- Biography
- trueAuthors, German -- 20th century -- Correspondence
- Authors, German -- 20th century -- Political and social views
- trueAuthors, Irish -- 20th century
- trueAuthors, Irish -- 20th century -- Biography
- Authors, Irish -- 20th century -- Fiction
- Authors, Irish -- 20th century -- Homes and haunts -- Ireland | Laois
- trueAuthors, Italian -- 20th century -- Biography
- trueAuthors, Japanese -- 20th century
- trueAuthors, Kenyan -- 20th century
- trueAuthors, Kenyan -- 20th century -- Biography
- trueAuthors, Nigerian -- 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, South African -- 20th century -- Biography
- trueAuthors, South African -- 20th century -- Biography
- 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, Swedish -- 20th century -- Biography | Juvenile literature
- Authors, Turkish -- 20th century -- Biography
- Authors, Urdu -- 20th century -- Drama
- trueAuthors, Uruguayan -- 20th century -- Biography
- Automobile industry and trade -- Military aspects -- United States -- History -- 20th century
- Automobile industry and trade -- United States -- History -- 20th century
- Automobile racing drivers -- 20th century -- Drama
- trueAutomobile travel -- United States -- History -- 20th century
- Automobile travel -- United States -- History -- 20th century -- Juvenile literature
- Automobile travel -- United States -- History -- 20th century -- Juvenile literature
- Automobiles -- United States -- History -- 20th century
- trueAvant-garde (Aesthetics) -- Germany -- History -- 20th century
- Avant-garde (Aesthetics) -- History -- 20th century -- Exhibitions
- Avant-garde (Aesthetics) -- New York (State) | New York -- 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
- Balance of power -- History -- 20th century
- Baltic States -- History -- 20th century
- Baltimore (Md.) -- 20th century -- Fiction
- Baltimore (Md.) -- History -- 20th century -- Fiction
- Baltimore (Md.) -- History -- 20th century -- Juvenile fiction
- Baltimore (Md.) -- History -- 20th century -- Juvenile literature
- Baltimore (Md.) -- Social conditions -- 20th century
- Baltimore (Md.) -- Social life and customs -- 20th century
- Baltimore (Md.), Fire Department -- History -- 20th century -- Juvenile literature
- trueBaltimore, Maryland -- History -- 20th century
- trueBaltimore, Maryland -- Race relations -- 20th century
- trueBaltimore, Maryland -- Social conditions -- 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
- trueBaseball -- Japan -- 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
- Baseball cards -- United States -- History -- 20th century
- Baseball players -- United States -- 20th century
- trueBaseball players -- United States -- History -- 20th century
- Baseball teams -- New York (State) | New York -- History -- 20th century
- Baseball teams -- Ohio | Columbus -- History -- 20th century
- Baseball uniforms -- United States -- History -- 20th century
- trueBasketball -- United States -- History -- 20th century
- Basketball for girls -- Illinois | Skokie -- History -- 20th century
- Basketball players -- History -- 20th century -- Biography
- Basketball teams -- United States -- History -- 20th century -- Juvenile literature
- 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
- Bedford (Va.) -- History -- 20th century
- Bedford (Va.) -- History, Military -- 20th century
- Bedford (Va.) -- Social conditions -- 20th century
- trueBedouins -- History -- 20th century
- trueBeirut, Lebanon -- History -- 20th century
- Belfast (Northern Ireland) -- History -- 20th century
- Belfast (Northern Ireland) -- History -- 20th century -- Fiction
- Belfast (Northern Ireland) -- Religion -- 20th century -- Juvenile fiction
- Belgians -- England -- 20th century -- Fiction
- trueBelgium -- History -- 20th century
- trueBelgium -- History, Military -- 20th century
- Bell Telephone Laboratories -- History -- 20th century
- Belvoir Castle (England) -- History -- 20th century
- Benevolence -- Ohio | Canton -- History -- 20th century
- Benton County (Iowa) -- Social life and customs -- 20th century
- Berlin (Germany) -- 20th century -- Drama
- Berlin (Germany) -- History -- 20th century -- Comic books, strips, etc
- Berlin (Germany) -- History, Military -- 20th century
- Berlin (Germany) -- Social life and customs -- 20th century -- Comic books, strips, etc
- 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 -- Juvenile literature
- Biography -- 20th century -- Periodicals
- Biography -- 20th century -- Periodicals
- Biography -- 20th century -- Periodicals | Juvenile literature
- Biography -- 20th century -- Portraits
- Birmingham (Ala.) -- History -- 20th century -- Fiction
- Birmingham (Ala.) -- History -- 20th century -- Juvenile fiction
- Birmingham (Ala.) -- Race relations | History -- 20th century
- Birmingham (Ala.) -- Race relations | History -- 20th century -- Juvenile literature
- trueBirmingham, Alabama -- Race relations | History -- 20th century
- Birth control -- United States -- History -- 20th century -- Comic books, strips, etc
- Black Hand (U.S.) -- History -- 20th century -- Fiction
- Black Hand (United States) -- History -- 20th century -- Fiction
- trueBlack nationalism -- United States -- History -- 20th century
- Black power -- Mississippi -- History -- 20th century -- Juvenile literature
- Black power -- Ohio | Cleveland -- History -- 20th century
- trueBlack power -- United States -- History -- 20th century
- Black power -- United States -- History -- 20th century -- Sources
- Blacklisting of authors -- United States -- History -- 20th century -- Juvenile literature
- Blacklisting of entertainers -- United States -- History -- 20th century -- Juvenile literature
- Boarding schools -- Hungary -- 20th century -- Fiction
- Boats and boating -- Great Lakes -- History -- 20th century
- trueBobsledding -- United States -- History -- 20th century
- Bolivia -- History -- 20th century -- Juvenile fiction
- Bolivian fiction -- 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
- Bombings -- California | Los Angeles -- History -- 20th century
- trueBombings -- Los Angeles, California -- History -- 20th century
- Book burning -- History -- 20th century
- Book jackets -- 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
- Bosnia and Herzegovina -- Ethnic relations | History -- 20th century -- Juvenile literature
- Boston (Mass.) -- History -- 20th century -- Fiction
- Boston (Mass.) -- History -- 20th century -- Juvenile fiction
- Boston (Mass.) -- Race relations -- 20th century
- Boston (Mass.) -- Social conditions -- 20th century
- Boston Celtics (Basketball team) -- History -- 20th century
- trueBoston, Massachusetts -- History -- 20th century
- trueBoston, Massachusetts -- Social life and customs -- 20th century
- Bowling -- New York (State) | New York -- History -- 20th century
- trueBoxing -- History -- 20th century
- Boy Scouts -- 20th century -- Juvenile literature
- Boycotts -- United States -- History -- 20th century
- Boys -- California | Ventura -- Social life and customs -- 20th century
- trueBoys -- Social life and customs -- 20th century
- trueBrain drain -- Germany -- History -- 20th century
- Brantford (Ont.) -- History -- 20th century -- Fiction
- Brazil -- Civilization | American influences | History -- 20th century
- trueBrazil -- History -- 20th century
- trueBrazil -- Politics and government -- 20th century
- Brazil -- Politics and government -- 20th century -- Fiction
- Brazil -- Social life and customs -- 20th century -- Fiction
- Brazilian poetry -- 20th century
- Bridges -- Vietnam | Thanh Hóa -- History -- 20th century
- Brighton (England) -- History -- 20th century -- Fiction
- Brisbane (Qld.) -- Social life and customs -- 20th century -- Fiction
- British -- Africa -- History -- 20th century
- British -- India -- History -- 20th century
- British -- United States -- History -- 20th century -- Fiction
- British Broadcasting Corporation -- History -- 20th century -- Fiction
- trueBritish in Africa -- History -- 20th century
- Broadway (New York, N.Y.) -- 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
- Bronzes -- United States -- 20th century -- Juvenile literature
- trueBronzes, American -- 20th century
- Brooklyn (New York, N.Y.) -- 20th century -- Fiction
- 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
- Brothers and sisters -- History -- 20th century -- Fiction
- Brussels (Belgium) -- History -- 20th century -- Fiction
- Budapest (Hungary) -- Ethnic relations | History -- 20th century
- trueBuddhism -- China -- 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
- 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
- Business failures -- United States -- History -- 20th century
- Businesspeople -- England | London -- 20th century -- Drama
- Będzin (Poland) -- History -- 20th century
- Cabanatuan (Philippines) -- History, Military -- 20th century
- trueCabanatuan, Philippines -- History, Military -- 20th century
- trueCabinet officers -- United States -- History -- 20th century
- Cairo (Egypt) -- History -- 20th century -- Fiction
- trueCairo, Egypt -- History -- 20th century
- trueCalcutta, India -- Religious life and customs -- 20th century
- trueCali, Colombia -- History -- 20th century
- California -- 20th century -- Fiction
- 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 life and customs -- 20th century
- California -- Social life and customs -- 20th century -- Drama
- California -- Social life and customs -- 20th century -- Fiction
- California, Northern -- Social life and customs -- 20th century
- California, Southern -- Social life and customs -- 20th century
- Camargue (France) -- History -- 20th century -- Juvenile fiction
- trueCambodia -- History -- 20th century
- Cambodia -- History -- 20th century -- Fiction
- Cambodia -- Social conditions -- 20th century -- Comic books, strips, etc
- 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 -- History -- 20th century
- Canada -- History -- 20th century -- Fiction
- Canada -- History -- 20th century -- Fiction | Sound recordings
- Canada -- History -- 20th century -- Juvenile 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 -- Film adaptations
- Canadian poetry -- 20th century
- Canoes and canoeing -- Canada -- History -- 20th century
- Canoes and canoeing -- Michigan -- History -- 20th century
- Canoes and canoeing -- Minnesota -- History -- 20th century
- Canoes and canoeing -- Wisconsin -- History -- 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
- Capital punishment -- Texas -- 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
- Carlisle (Pa.) -- Race relations | History -- 20th century
- Carnivals -- United States -- 20th century -- Juvenile literature
- trueCartooning -- Japan -- History -- 20th century
- Caste -- India -- History -- 20th century
- Catholic Church -- History -- 20th century
- Catholic Church -- United States -- History -- 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
- trueCensorship -- History -- 20th century
- Censorship -- United States -- History -- 20th century
- trueCentral America -- History -- 20th century
- Central High School (Little Rock, Ark.) -- History -- 20th century -- Pictorial works | Juvenile literature
- Ceramics -- Design -- 20th century
- Champagne-Ardenne (France) -- History -- 20th century -- Fiction
- Changjin Reservoir (Korea) -- History, Military -- 20th century
- Character -- Political aspects -- United States -- History -- 20th century
- Charlotte (N.C.) -- History -- 20th century -- Fiction
- Chatham (Ont.) -- History -- 20th century -- Fiction
- Chatham (Ont.) -- History -- 20th century -- Juvenile fiction
- trueChatham, Ontario -- History -- 20th century
- Chattanooga Region (Tenn.) -- Race relations | History -- 20th century
- Chawton (England) -- History -- 20th century -- Fiction
- Chemical warfare -- Research -- United States -- History -- 20th century
- Chemical warfare -- United States -- History -- 20th century
- Chemistry, Forensic -- United States -- History -- 20th century
- Chiapas (Mexico) -- Politics and government -- 20th century
- Chicago (Ill.) -- 20th century -- Fiction
- Chicago (Ill.) -- 20th century -- Juvenile fiction
- Chicago (Ill.) -- Economic conditions -- 20th century
- Chicago (Ill.) -- History -- 20th century
- Chicago (Ill.) -- History -- 20th century -- Drama
- 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
- 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
- Chicago, Ill. -- History -- 20th century -- Fiction
- trueChicago, Illinois -- HIstory -- 20th century
- trueChicago, Illinois -- History -- 20th century
- trueChicago, Illinois -- Religious life and customs -- 20th century
- trueChicago, Illinois -- Social life and customs -- 20th century
- Chichi Island (Japan) -- History, Military -- 20th century
- trueChichi Island, Japan -- History, Military -- 20th century
- trueChild care -- Great Britain -- History -- 20th century
- Child rearing -- United States -- History -- 20th century
- Child sexual abuse -- Korea -- History -- 20th century -- Comic books, strips, etc
- Child slaves -- Korea -- History -- 20th century -- Comic books, strips, etc
- 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
- trueChildren -- Great Plains (United States) -- History -- 20th century
- Children -- Great Plains -- History -- 20th century -- Juvenile literature
- Children -- History -- 20th century
- Children -- Housing -- New York (State) | New York -- 20th century -- Juvenile literature
- 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
- 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 books -- United States -- History -- 20th century
- trueChildren's literature -- Publishing -- United States -- History -- 20th century
- 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
- Children's television programs -- United States -- History -- 20th century
- trueChile -- History -- 20th century
- Chile -- History -- 20th century -- Juvenile fiction
- Chile -- Social conditions -- 20th century -- Fiction
- trueChile -- Social life and customs -- 20th century
- Chilean literature -- 20th century
- Chilean literature -- 20th century -- Translations into English
- Chilean poetry -- 20th century
- trueChina -- Civilization -- 20th century
- trueChina -- Economic conditions -- 20th century
- trueChina -- Emigration and immigration | History -- 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
- Chinese -- Foreign countries -- History -- 20th century
- Chornobylʹ (Ukraine) -- History -- 20th century -- Juvenile literature
- Christian fiction, Swedish -- Women authors -- 20th century -- Translations into English
- trueChristianity -- 20th century
- Christianity -- 20th century -- Periodicals
- trueChristianity and culture -- United States -- History -- 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 -- Germany -- History -- 20th century -- Juvenile literature
- Church and state -- Mexico -- History -- 20th century -- Drama
- 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 (Ohio) -- Social conditions -- 20th century -- Comic books, strips, etc
- 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 -- 20th century -- Fiction
- City and town life -- Germany | Burgdorf (Hannover) -- History -- 20th century -- Fiction
- City and town life -- Missouri -- 20th century -- Fiction
- City and town life -- New York (State) | New York -- History -- 20th century
- City planners -- New York (State) | New York -- 20th century -- Biography | Comic books, strips, etc
- City planning -- New York (State) | New York -- History -- 20th century
- trueCiudad Juarez, Mexico -- Politics and government -- 20th century
- trueCivil Rights Movement -- History -- 20th century -- Sources
- Civil defense -- Social aspects -- Europe -- History -- 20th century
- Civil disobedience -- Alabama | Birmingham -- History -- 20th century
- trueCivil disobedience -- Birmingham, Alabama -- History -- 20th century
- Civil rights -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- trueCivil rights -- History -- 20th century
- Civil rights -- Ireland -- History -- 20th century -- Juvenile literature
- 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 -- Alabama -- History -- 20th century -- Juvenile literature
- Civil rights demonstrations -- Alabama | Selma -- History -- 20th century
- 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 -- Juvenile literature
- Civil rights demonstrations -- Washington (D.C.) -- History -- 20th century -- Juvenile poetry
- 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