Subject
United States History
United States Politics and government
20
United States Social conditions
18
United States Foreign relations
10
History
7
United States Civilization
7
Civil rights movements History
6
Depressions
5
United States Economic conditions
5
Nineteen sixties
4
Radicalism History
4
African Americans Civil rights History
3
Baseball History
3
Counterculture History
3
Political culture History
3
Popular culture History
3
Presidents
3
Social change History
3
Social movements History
3
United States Intellectual life
3
United States Social life and customs
3
African Americans
2
African Americans Civil rights
2
American literature History and criticism
2
Civil rights History
2
Cold War
2
Documentary photography History
2
Feminism History
2
History Native American
2
Journalists
2
National characteristics, American
2
Presidents History
2
United States
2
United States Historia
2
United States Territorial expansion
2
Watergate Affair, 1972-1974
2
World War, 1914-1918
2
African American authors
1
African American entertainers
1
African American women
1
African Americans Social conditions
1
African Americans Social life and customs
1
African Americans in the performing arts
1
Alcatraz Island (Calif.) History
1
American drama
1
Antibacterial agents History
1
Antibiotics History
1
Atomic bomb History
1
BIOGRAPHY & AUTOBIOGRAPHY Presidents & Heads of State
1
Baseball Social aspects
1
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