Subjects
- Authors, American |-- 20th century.1
- Black militant organizations -- United States.1
- Black nationalism -- United States.1
- Bondage (Sexual behavior)1
- Chicago (Ill.) -- Social conditions.1
- Chicago Seven Trial, Chicago Ill., 1969-19701
- Civilian Public Service.--Ohio--Cleveland.1
- Civilization, Modern -- 20th century -- Psychological aspects.1
- College students--New York (State)--New York--Political activity. 1
- Communism2
- Communism--Michigan--Detroit2
- Communism--United States.2
- Communist parties -- United States -- 20th century1
- Communist parties--United States--20th century1
- Composers--United States--20th century1
- Congress of Racial Equality.International Union, United Automobile Workers of America (CIO).1
- Conscientious objectors.2
- Cooperative societies -- United States -- 20th century.1
- Cooperative societies--United States--20th century.1
- Copper Miners' Strike, Bisbee, Ariz., 19171