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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- İzmir (Turkey) -- History -- 20th century -- Fiction
- A Shau Valley (Vietnam) -- History -- 20th century
- AIDS (Disease) -- California | San Francisco -- History -- 20th century
- AIDS (Disease) -- History -- 20th century -- Fiction
- AIDS (Disease) -- Social aspects -- United States -- 20th century -- Juvenile literature
- Aboriginal Australians -- Social conditions -- 20th century
- Abstract expressionism -- United States -- 20th century
- trueActing -- History -- 20th century
- Adirondack Mountains (N.Y.) -- History -- 20th century -- Juvenile fiction
- trueAdirondack Mountains, New York -- History -- 20th century
- Admirals -- United States -- History -- 20th century
- Adoption -- United States -- History -- 20th century
- Adoption agencies -- Corrupt practices -- 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 -- United States -- History -- 20th century
- Aeronautics -- United States -- History -- 20th century -- Juvenile literature
- Aeronautics and state -- 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 -- Colonization | History -- 20th century -- Fiction
- 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
- African American arts -- 20th century
- African American arts -- New York (State) | New York -- 20th century -- Juvenile literature
- African American athletes -- Social conditions -- 20th century
- African American authors -- 20th century -- Biography
- African American authors -- 20th century -- Biography | Juvenile literature
- African American automobile drivers -- History -- 20th century
- African American automobile drivers -- History -- 20th century -- Juvenile literature
- African American basketball players -- History -- 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
- African American civil rights workers -- History -- 20th century
- African American civil rights workers -- Mississippi -- History -- 20th century -- Juvenile literature
- African American fighter pilots -- History -- 20th century -- Drama
- African American football players -- History -- 20th century
- 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
- African American high school students -- Arkansas | Little Rock -- History -- 20th century -- Comic books, strips, etc
- African American high school students -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- African American leadership -- History -- 20th century
- trueAfrican American musicians -- 20th century
- African American neighborhoods -- Oklahoma | Tulsa -- History -- 20th century
- African American neighborhoods -- Oklahoma | Tulsa -- History -- 20th century -- Juvenile fiction
- African American neighborhoods -- Oklahoma | Tulsa -- History -- 20th century -- Juvenile literature
- African American novelists -- 20th century -- Biography
- African 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
- African American soldiers -- History -- 20th century
- African American soldiers -- History -- 20th century -- Comic books, strips, etc
- African American soldiers -- History -- 20th century -- Fiction
- African American soldiers -- History -- 20th century -- Juvenile literature
- African American student movements -- Mississippi -- 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 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 theater -- New York (State) | New York -- History -- 20th century
- African American theater -- New York (State) | New York -- History -- 20th century -- Comic books, strips, etc
- trueAfrican American theater -- New York City -- History -- 20th century
- African American women -- Civil rights | History -- 20th century
- African American women -- Employment | History -- 20th century
- African American women -- History -- 20th century
- African American women -- Social conditions -- 20th century
- trueAfrican American women authors -- 20th century -- Biography
- African American women authors -- 20th century -- Biography | Juvenile literature
- African American women poets -- 20th century -- Biography
- African American youth -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African American youth -- Mississippi -- Social conditions -- 20th century -- Juvenile literature
- African Americans -- Alabama | Lowndes County -- Politics and government -- 20th century
- African Americans -- California | Oakland -- Social conditions -- 20th century
- African Americans -- Civil rights -- 20th century
- African 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 | Lowndes County -- History -- 20th century
- 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
- African 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
- African Americans -- Civil rights -- North Carolina -- History -- 20th century
- African Americans -- Civil rights -- North Carolina | Greensboro -- History -- 20th century -- Juvenile literature
- trueAfrican Americans -- Civil rights -- Selma, Alabama -- History -- 20th century
- African 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 -- Juvenile literature
- African Americans -- Civil rights -- United States -- History -- 20th century
- African 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
- African 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
- African Americans -- Civil rights | History -- 20th century -- Sources
- African Americans -- Crimes against -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- African Americans -- Crimes against -- Alabama | Birmingham -- History -- 20th century -- Juvenile poetry
- 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 -- North Carolina | Oxford -- History -- 20th century
- African Americans -- Crimes against | History -- 20th century
- African Americans -- Economic conditions -- 20th century -- Juvenile literature
- African Americans -- Education -- Arkansas | Little Rock -- History -- 20th century -- Juvenile literature
- African Americans -- Education -- North Carolina | Pollocksville -- History -- 20th century
- African Americans -- Education -- Southern States -- History -- 20th century
- African Americans -- Georgia -- Social conditions -- 20th century
- African Americans -- Government policy -- United States -- History -- 20th century -- Juvenile literature
- African Americans -- History -- 20th century
- African Americans -- History -- 20th century -- Fiction
- African Americans -- History -- 20th century -- Juvenile fiction
- African Americans -- History -- 20th century -- Juvenile literature
- 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
- African 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
- African Americans -- Legal status, laws, etc. -- 20th century -- Juvenile literature
- African Americans -- Louisiana -- Social life and customs -- 20th century -- Juvenile literature
- trueAfrican Americans -- Marion, Indiana -- Social conditions -- 20th century
- African Americans -- Maryland | Baltimore -- Social conditions -- 20th century
- African Americans -- Maryland | Baltimore -- Social conditions -- 20th century -- Juvenile literature
- trueAfrican Americans -- Memphis, Tennessee -- Social conditions -- 20th century
- African Americans -- Michigan | Detroit -- 20th century -- Drama
- African Americans -- Migrations | History -- 20th century
- African Americans -- Migrations | History -- 20th century -- Fiction
- African Americans -- Migrations | History -- 20th century -- Juvenile literature
- African Americans -- Migrations | History -- 20th century -- Juvenile poetry
- African Americans -- Music -- 20th century
- African Americans -- New York (State) | New York -- Intellectual life -- 20th century -- Juvenile literature
- trueAfrican Americans -- New York City -- History -- 20th century
- African Americans -- Ohio | Cleveland -- Politics and government -- 20th century
- African Americans -- Oklahoma | Tulsa -- History -- 20th century
- African Americans -- Oklahoma | Tulsa -- History -- 20th century -- Juvenile literature
- trueAfrican Americans -- Political activity | History -- 20th century
- African Americans -- Politics and government -- 20th century
- African Americans -- Politics and government -- 20th century -- Juvenile literature
- African Americans -- Segregation -- 20th century
- African Americans -- Segregation -- Mississippi -- History -- 20th century
- African Americans -- Segregation -- Mississippi | Natchez -- History -- 20th century
- African Americans -- Segregation -- North Carolina | Greensboro -- History -- 20th century -- Juvenile literature
- African Americans -- Segregation | History -- 20th century
- African Americans -- Segregation | History -- 20th century -- Juvenile literature
- African Americans -- Social conditions -- 20th century
- African Americans -- Social conditions -- 20th century -- Exhibitions
- African Americans -- Social conditions -- 20th century -- Juvenile literature
- African Americans -- Social conditions | History -- 20th century -- Juvenile literature
- 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 -- Juvenile literature
- African Americans -- Suffrage -- Mississippi -- History -- 20th century
- African Americans -- Suffrage -- Mississippi -- History -- 20th century -- Juvenile literature
- African Americans -- Suffrage | 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 -- United States -- History -- 20th century
- African Americans -- Travel | History -- 20th century
- African Americans -- Travel | History -- 20th century -- Juvenile literature
- trueAfrican Americans -- Tulsa, Oklahoma -- History -- 20th century
- African Americans -- Violence against -- 20th century
- African Americans -- Violence against -- Oklahoma | Tulsa -- 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 Americans in the performing arts -- New York (State) | New York -- History -- 20th century
- African National Congress -- History -- 20th century -- Sources
- African-American novelists -- 20th century -- Biography | Juvenile literature
- Agriculture -- Ohio -- History -- 20th century
- Air bases -- Ukraine | Poltava -- History -- 20th century
- Air mail service -- United States -- History -- 20th century -- Juvenile literature
- Air pilots, Military -- Korea -- History -- 20th century
- Air pilots, Military -- United States -- History -- 20th century
- Air warfare -- History -- 20th century
- Aircraft accidents -- New Jersey -- History -- 20th century -- Juvenile literature
- trueAircraft carriers -- History -- 20th century
- Aircraft carriers -- Korea -- History -- 20th century
- Aircraft 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
- Airplanes -- Great Britain -- Ferrying | History -- 20th century -- Juvenile literature
- Airplanes -- 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
- 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 -- Fiction
- 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
- Alabama -- Social life and customs -- 20th century -- Fiction
- trueAlaska -- History -- 20th century
- Alaska -- History -- 20th century -- Fiction
- Alaska -- History -- 20th century -- Juvenile fiction
- trueAlaska -- Social life and customs -- 20th century
- trueAlbania -- History -- 20th century
- Albania -- Politics and government -- 20th century
- 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
- 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
- Alternative rock music -- History -- 20th century
- Amateur films -- Texas | Dallas -- History -- 20th century
- Ambassadors -- United States -- History -- 20th century
- Ambulance service -- Pennsylvania | Pittsburgh -- History -- 20th century
- American Dream -- 20th century -- Fiction
- American drama -- 20th century
- American 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 -- History and criticism
- American literature -- 20th century
- American literature -- 20th century -- Criticism and interpretation
- American 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 literature -- New York (State) | New York -- 20th century -- African Americans -- Exhibitions
- American poetry -- 20th century
- American poetry -- 20th century -- Criticism and interpretation
- American poetry -- 20th century -- Encyclopedias
- American poetry -- 20th century -- History and criticism
- American poetry -- 20th century -- Juvenile literature
- 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 -- Africa -- History -- 20th century -- Fiction
- Americans -- Europe -- History -- 20th century
- Americans -- France | Paris -- 20th century -- Fiction
- Americans -- France | Paris -- History -- 20th century
- Americans -- Philippines -- History -- 20th century
- Americans -- Spain -- History -- 20th century
- Amphibious warfare -- History -- 20th century
- Amsterdam (Netherlands) -- History -- 20th century -- Fiction
- Amusement parks -- Maryland | Woodlawn -- History -- 20th century -- Juvenile literature
- Animals -- War use -- Canada -- History -- 20th century -- Juvenile literature
- Animals -- War use | History -- 20th century
- Animals -- War use | History -- 20th century -- Juvenile literature
- 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 -- History -- 20th century
- Anti-communist movements -- United States -- History -- 20th century
- Anti-communist movements -- United States -- History -- 20th century -- Juvenile literature
- Anti-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
- Antisemitism -- Germany -- History -- 20th century
- trueAntisemitism -- History -- 20th century
- Antisemitism -- Poland -- History -- 20th century
- Antisemitism -- Romania -- 20th century -- Drama
- Antisemitism -- Ukraine -- History -- 20th century
- Antisemitism -- United States -- History -- 20th century
- Apartheid -- South Africa -- History -- 20th century -- Sources
- 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
- Apparitions -- History -- 20th century
- trueArab countries -- History -- 20th century
- Arabian horse -- Poland -- History -- 20th century
- Arabian horse -- Poland -- History -- 20th century -- Juvenile literature
- Arabs -- 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 -- 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
- Architecture and society -- United States -- History -- 20th century
- trueArchitecture, American -- 20th century
- Architecture, American -- 20th century -- Exhibitions
- Architecture, Domestic -- 20th century
- Architecture, Modern -- 20th century
- Architecture, Modern -- 20th century -- Juvenile literature
- trueArchitecture, Modern -- 20th century -- Social aspects
- Architecture, Modern -- 20th century -- United States
- Argentina -- History -- 20th century -- Fiction
- trueArgentina -- Politics and government -- 20th century
- Argentine fiction -- 20th century
- Argonne (France) -- History -- 20th century -- Fiction
- Aristocracy (Social class) -- England -- 20th century -- Fiction
- Aristocracy (Social class) -- England -- History -- 20th century
- Aristocracy (Social class) -- Great Britain -- 20th century
- Aristocracy (Social class) -- Great Britain -- History -- 20th century
- trueAristocracy -- England -- History -- 20th century
- trueArizona -- 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
- trueArmenia -- History -- 20th century
- Armenians -- Turkey -- History -- 20th century
- trueArmenians in Turkey -- History -- 20th century
- Arms race -- Europe -- History -- 20th century -- Juvenile literature
- Arms race -- History -- 20th century
- Arras (France) -- History -- 20th century -- Fiction
- Art -- Destruction and pillage -- Germany -- History -- 20th century
- Art -- France | Paris -- 20th century -- Fiction
- Art and mental illness -- Germany -- 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 -- France | Paris -- History -- 20th century
- Art and society -- New York (State) | New York -- History -- 20th century
- Art and society -- United States -- History -- 20th century
- trueArt criticism, American -- History -- 20th century
- Art movements -- 20th century -- History
- Art objects -- Design -- 20th century
- Art pottery, American -- Ohio | Zanesville -- 20th century -- Catalogs
- Art quilts -- Ohio -- History -- 20th century
- Art thefts -- Europe -- History -- 20th century -- Fiction
- Art 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
- trueArt thefts -- History -- 20th century
- Art thefts -- Italy -- History -- 20th century
- Art 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
- Art treasures in war -- Netherlands -- History -- 20th century
- Art, American -- 20th century
- Art, American -- 20th century -- Exhibitions
- Art, American -- Illinois | Chicago -- 20th century -- Exhibitions
- Art, American -- New York (State) | New York -- 20th century
- Art, European -- 20th century
- Art, French -- 20th century
- Art, Japanese -- 20th century -- Themes, motives
- Art, Modern -- 20th century
- Art, Modern -- 20th century -- Catalogs
- 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 -- United States -- Juvenile literature
- trueArtists -- 20th century
- trueArtists -- 20th century -- Biography
- Artists -- France | Paris -- 20th century -- Fiction
- Artists -- History -- 20th century
- Artists -- Japan -- 20th century
- Artists -- New York (State) | New York -- 20th century -- Fiction
- Artists -- United States -- 20th century
- Artists -- United States -- 20th century -- Biography
- Artists, Black -- Race identity -- United States -- History -- 20th century
- trueArts -- Austria -- History -- 20th century
- Arts -- Great Britain -- History -- 20th century
- trueArts -- 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
- Arts, Modern -- 20th century -- Exhibitions
- Arts, Modern -- 20th century -- Juvenile literature
- Arts, Russian -- 20th century -- Political aspects
- 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
- Assassins -- Germany -- History -- 20th century
- Astronautics -- History -- 20th century -- Juvenile literature
- Astronautics -- Political aspects -- United States -- History -- 20th century
- Astronautics -- Political aspects -- United States -- History -- 20th century -- Juvenile literature
- Astronautics -- Soviet Union -- History -- 20th century
- Astronautics -- Soviet Union -- History -- 20th century -- Juvenile literature
- Astronautics -- United States -- History -- 20th century
- Astronautics -- United States -- History -- 20th century -- Juvenile literature
- Astronautics and state -- United States -- History -- 20th century
- Astronauts -- United States -- History -- 20th century
- Astronomy -- History -- 20th century
- Atlanta (Ga.) -- History -- 20th century -- Fiction
- Atlanta (Ga.) -- History -- 20th century -- Juvenile 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 -- 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
- Atomic bomb -- United States -- History -- 20th century
- Attica (N.Y.) -- History -- 20th century
- trueAustralia -- History -- 20th century
- Australia -- History -- 20th century -- Fiction
- Australia -- History -- 20th century -- Juvenile fiction
- trueAustralia -- Politics and government -- 20th century
- Australia -- Social conditions -- 20th century -- Fiction
- trueAustralia -- Social life and customs -- 20th century
- Australia -- Social life and customs -- 20th century -- Fiction
- Australian fiction -- 20th century
- trueAustria -- History -- 20th century
- Austria -- History -- 20th century -- Juvenile fiction
- trueAustria -- Social life and customs -- 20th century
- Authors -- 20th century
- Authors -- 20th century -- Biography
- Authors and publishers -- United States -- History -- 20th century
- Authors and readers -- United States -- History -- 20th century
- trueAuthors, African -- 20th century -- Biography
- trueAuthors, Algerian -- 20th century
- trueAuthors, Algerian -- 20th century -- Biography
- Authors, American -- 20th century
- Authors, American -- 20th century -- Alcohol use
- Authors, American -- 20th century -- Biography
- Authors, 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 | Pictorial works
- Authors, American -- 20th century -- Books and reading
- Authors, American -- 20th century -- Correspondence
- Authors, American -- 20th century -- Correspondence | Drama
- trueAuthors, American -- 20th century -- Criticism and interpretation
- Authors, American -- 20th century -- Diaries
- Authors, American -- 20th century -- Diaries
- Authors, American -- 20th century -- Drama
- Authors, 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
- Authors, American -- 20th century -- Interviews
- Authors, American -- 20th century -- Interviews | Juvenile literature
- Authors, American -- 20th century -- Quotations | Juvenile literature
- Authors, American -- 20th century -- Travel -- Italy
- Authors, Argentine -- 20th century -- Diaries
- Authors, Argentine -- 20th century -- Interviews
- Authors, Australian -- 20th century -- Biography
- Authors, Austrian -- 20th century -- Biography
- trueAuthors, British -- 20th century -- Biography
- Authors, Canadian (English) -- 20th century -- Biography
- Authors, Canadian -- 20th century -- Biography
- Authors, Canadian -- 20th century -- Biography
- Authors, Catalan -- 20th century
- Authors, Chilean -- 20th century
- Authors, Chilean -- 20th century -- Biography
- Authors, Chilean -- 20th century -- Biography | Juvenile literature
- Authors, Chilean -- 20th century -- Family relationships
- Authors, Chinese -- 20th century -- Biography
- Authors, Colombian -- 20th century -- Biography
- Authors, Colombian -- 20th century -- Biography | Juvenile literature
- Authors, Danish -- 20th century -- Biography
- Authors, Danish -- 20th century -- Drama
- Authors, Dutch -- 20th century -- Biography
- Authors, Dutch -- 20th century -- Fiction
- Authors, English -- 20th century
- Authors, English -- 20th century -- Biography
- Authors, English -- 20th century -- Biography
- Authors, English -- 20th century -- Biography | Exhibitions
- Authors, English -- 20th century -- Biography | Juvenile literature
- Authors, English -- 20th century -- Diaries
- Authors, English -- 20th century -- Drama
- Authors, English -- 20th century -- Fiction
- Authors, English -- 20th century -- Interviews
- Authors, English -- England -- 20th century -- Biography | Juvenile literature
- trueAuthors, French -- 20th century
- Authors, French -- 20th century -- Biography
- Authors, French -- 20th century -- Biography | Juvenile literature
- Authors, French -- 20th century -- Correspondence
- trueAuthors, French -- 20th century -- Criticism and interpretation
- Authors, French -- 20th century -- Drama
- Authors, French -- 20th century -- Fiction
- Authors, German -- 20th century -- Biography
- Authors, German -- 20th century -- Correspondence
- Authors, German -- 20th century -- Political and social views
- trueAuthors, Irish -- 20th century
- Authors, Irish -- 20th century -- Biography
- Authors, Irish -- 20th century -- Fiction
- Authors, Irish -- 20th century -- Homes and haunts -- Ireland | Laois
- trueAuthors, Italian -- 20th century -- Biography
- Authors, Japanese -- 20th century -- Biography
- Authors, Nigerian -- 20th century -- Biography
- trueAuthors, Russian -- 20th century
- Authors, Russian -- 20th century -- Biography
- Authors, Russian -- 20th century -- Correspondence
- Authors, Scottish -- 20th century -- Biography
- Authors, Scottish -- 20th century -- Correspondence
- Authors, 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
- Authors, Swedish -- 20th century -- Biography
- Authors, Swedish -- 20th century -- Biography | Juvenile literature
- Authors, Urdu -- 20th century -- Drama
- Authors, Uruguayan -- 20th century -- Biography
- Autism -- United States -- History -- 20th century
- Automobile industry and trade -- Military aspects -- United States -- History -- 20th century
- Automobile industry and trade -- United States -- History -- 20th century
- trueAutomobile racing -- Europe -- History -- 20th century
- Automobile racing -- Europe -- History -- 20th century -- Juvenile literature
- Automobile racing drivers -- 20th century -- Drama
- trueAutomobile racing drivers -- Europe -- 20th century -- Biography
- Automobile racing drivers -- Europe -- 20th century -- Biography | Juvenile literature
- Automobile travel -- History -- 20th century -- Juvenile literature
- Automobile 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
- Avant-garde (Aesthetics) -- Germany -- History -- 20th century
- Avant-garde (Aesthetics) -- History -- 20th century -- Exhibitions
- Avant-garde (Aesthetics) -- New York (State) | New York -- History -- 20th century
- Avant-garde (Aesthetics) -- United States -- History -- 20th century
- Avant-garde (Aesthetics) -- United States -- History -- 20th century -- Exhibitions
- B-17 bomber -- History -- 20th century
- Balance of power -- History -- 20th century
- Ballet -- History -- 20th century
- Baltic States -- History -- 20th century
- Baltimore (Md.) -- 20th century -- Fiction
- Baltimore (Md.) -- History -- 20th century -- Drama
- 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 -- 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
- Barcelona (Spain) -- History -- 20th century -- Fiction
- Barcelona (Spain) -- History -- 20th century -- Juvenile fiction
- trueBarcelona, Spain -- History -- 20th century
- trueBaseball -- History -- 20th century
- Baseball -- Japan -- History -- 20th century
- Baseball -- Social aspects -- United States -- History -- 20th century
- trueBaseball -- Social aspects | History -- 20th century
- Baseball -- 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
- Baseball 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
- Basketball -- New York (State) | New York -- History -- 20th century
- Basketball -- Social aspects -- United States -- History -- 20th century
- Basketball -- 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
- Basketball teams -- United States -- History -- 20th century -- Juvenile literature
- Bastogne (Belgium) -- History, Military -- 20th century
- Bath (Mich. : Township) -- History -- 20th century
- trueBattles -- History -- 20th century
- Battles -- History -- 20th century -- Juvenile literature
- Battleships -- 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
- Bedouins -- History -- 20th century
- trueBeirut, Lebanon -- History -- 20th century
- Belfast (Northern Ireland) -- History -- 20th century -- Fiction
- trueBelgium -- History -- 20th century
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- Bell Telephone Laboratories -- History -- 20th century
- Belvoir Castle (England) -- History -- 20th century
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- Berlin (Germany) -- 20th century -- Drama
- Berlin (Germany) -- History -- 20th century
- 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
- Berlin (Germany) -- Social life and customs -- 20th century -- Drama
- trueBerlin, Germany -- History -- 20th century
- Best sellers -- United States -- History -- 20th century
- Big bands -- United States -- History -- 20th century
- Biography -- 20th century
- Biography -- 20th century -- Juvenile literature
- Biography -- 20th century -- Periodicals
- Biography -- 20th century -- Periodicals
- 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
- Birth control -- United States -- History -- 20th century -- Comic books, strips, etc
- Black Hand (United States) -- History -- 20th century -- Fiction
- Black Sea -- History -- 20th century -- Juvenile fiction
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- Black power -- United States -- History -- 20th century
- Black power -- United States -- History -- 20th century -- Juvenile literature
- Blacklisting of authors -- United States -- History -- 20th century -- Juvenile literature
- Blacklisting of entertainers -- United States -- History -- 20th century -- Juvenile literature
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- trueBletchley Park (Milton Keynes, England) -- History -- 20th century
- Blue Ridge Mountains -- Social life and customs -- 20th century -- Fiction
- Boarding schools -- England | Kent -- History -- 20th century
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- Boats and boating -- Great Lakes -- History -- 20th century
- Bobsledding -- United States -- History -- 20th century
- Bohemianism -- Massachusetts | Cape Cod -- 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 -- Japan -- History -- 20th century
- Bombing, Aerial -- Social aspects -- Europe -- History -- 20th century
- Bombings -- Alabama | Birmingham -- History -- 20th century
- Bombings -- Alabama | Birmingham -- History -- 20th century -- Juvenile poetry
- Bombings -- California | Los Angeles -- History -- 20th century
- Bombings -- Michigan | Bath (Township) -- History -- 20th century
- Book burning -- History -- 20th century
- Book jackets -- History -- 20th century
- Book thefts -- Europe -- History -- 20th century
- trueBooks and reading -- History -- 20th century
- Books and reading -- United States -- History -- 20th century
- Booksellers and bookselling -- 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 fiction
- Bosnia and Herzegovina -- Ethnic relations | History -- 20th century -- Juvenile literature
- Boston (Mass.) -- History -- 20th century -- Fiction
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- trueBoston, Massachusetts -- History -- 20th century
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- Bowling -- New York (State) | New York -- History -- 20th century
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- Boxing matches -- Congo (Democratic Republic) | Kinshasa -- 20th century -- Comic books, strips, etc
- Boycotts -- Alabama -- History -- 20th century
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- Brantford (Ont.) -- History -- 20th century -- Fiction
- Brazil -- Civilization | American influences | History -- 20th century
- trueBrazil -- History -- 20th century
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- Brazil -- Politics and government -- 20th century -- Fiction
- Brazilian poetry -- 20th century
- Bridges -- Vietnam | Thanh Hóa -- History -- 20th century
- Brighton (England) -- History -- 20th century -- Fiction
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- Broadway (New York, N.Y.) -- History -- 20th century
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- trueBronx, New York City -- History -- 20th century
- Bronzes -- United States -- 20th century -- Juvenile literature
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- 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
- Brown bear -- History -- 20th century -- Juvenile literature
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- Bucharest (Romania) -- History -- 20th century -- Juvenile fiction
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- Buddhism -- United States -- History -- 20th century
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- Bureaucracy -- United States -- History -- 20th century
- Burlesque (Theater) -- New York (State) | New York -- History -- 20th century
- Burlesque (Theater) -- United States -- History -- 20th century
- trueBurma -- History -- 20th century
- trueBus travel -- United States -- History -- 20th century
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- 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
- Cabinet officers -- United States -- History -- 20th century
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- California -- 20th century -- Fiction
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- California -- History -- 20th century -- Comic books, strips, etc
- California -- History -- 20th century -- Fiction
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- trueCapital market -- History -- 20th century
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- trueCapital punishment -- United States. -- History -- 20th century
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- Chemistry, Forensic -- United States -- History -- 20th century
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- Chichi Island (Japan) -- History, Military -- 20th century
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- Child care -- Great Britain -- History -- 20th century
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- trueChildren's book illustrators -- United States -- 20th century -- Biography
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- trueChile -- History -- 20th century
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- Chilean literature -- 20th century
- Chilean poetry -- 20th century
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- China -- History -- 20th century -- Fiction
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- Chinatown (New York, N.Y.) -- History -- 20th century -- Juvenile fiction
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- Chinatown (San Francisco, Calif.) -- History -- 20th century -- Juvenile fiction
- trueChinatown, New York City -- History -- 20th century
- trueChinatown, San Francisco, California -- History -- 20th century
- Chinese -- Foreign countries -- History -- 20th century
- Chinese American novelists -- 20th century -- Biography
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- Christianity -- 20th century -- Periodicals
- trueChristianity and culture -- History -- 20th century
- Christianity and culture -- United States -- History -- 20th century
- Christianity and literature -- England -- History -- 20th century
- trueChristianity and politics -- History -- 20th century
- Christianity and politics -- United States -- History -- 20th century
- Christmas -- Korea (North) -- History -- 20th century
- Christmas -- United States -- History -- 20th century
- Church and state -- Germany -- History -- 20th century
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- Church and state -- Mexico -- History -- 20th century -- Drama
- Church and state -- United States -- History -- 20th century
- Church 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
- trueCincinnati, Ohio -- History -- 20th century
- Circus performers -- United States -- 20th century -- Biography
- Cities and towns -- United States -- 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 -- 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
- City planning -- United States -- 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
- trueCivil disobedience -- History -- 20th century
- Civil rights -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
- Civil rights -- History -- 20th century
- Civil rights -- Ireland -- History -- 20th century -- Juvenile literature
- Civil rights -- Southern States -- History -- 20th century
- Civil 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 -- Georgia | Atlanta -- 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
- Civil rights demonstrations -- United States -- History -- 20th century -- Juvenile literature
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- 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 poetry
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- Civil rights demonstrations -- Washington (D.C.) -- History -- 20th century -- Sources | Juvenile literature
- trueCivil rights demonstrations -- Washington, D.C. -- History -- 20th century
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- Civil rights movement -- History -- 20th century -- Pictorial works | Exhibitions
- Civil rights movements -- Alabama -- History -- 20th century -- Fiction
- Civil rights movements -- Alabama -- History -- 20th century -- Juvenile literature
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- Civil rights movements -- Alabama | Birmingham -- History -- 20th century -- Juvenile literature
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- Civil rights movements -- Alabama | Selma -- History -- 20th century -- Juvenile literature
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- Civil rights movements -- History -- 20th century -- Juvenile literature
- Civil rights movements -- Maryland -- History -- 20th century -- Juvenile literature
- Civil rights movements -- Mississippi -- History -- 20th century
- Civil rights movements -- Mississippi -- History -- 20th century -- Juvenile literature
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<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.delawarelibrary.org/resource/tqCYLtCxcag/" typeof="CategoryCode http://bibfra.me/vocab/lite/Temporal"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.delawarelibrary.org/resource/tqCYLtCxcag/">20th century</a></span> - <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.delawarelibrary.org/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="https://link.delawarelibrary.org/">Delaware County District Library</a></span></span></span></span></div>
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Data Citation of the Temporal 20th century
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<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.delawarelibrary.org/resource/tqCYLtCxcag/" typeof="CategoryCode http://bibfra.me/vocab/lite/Temporal"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.delawarelibrary.org/resource/tqCYLtCxcag/">20th century</a></span> - <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.delawarelibrary.org/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="https://link.delawarelibrary.org/">Delaware County District Library</a></span></span></span></span></div>
