SUBJECT
History
Politics and government
179
Foreign relations
134
Civilization
74
Indians of North America
66
United States
57
African Americans
55
Race relations
49
Civil rights
44
Historiography
41
Causes
39
Negroes
39
Social conditions
38
Sources
36
Colonies
34
Presidents
33
Campaigns and battles
32
Philosophy
28
Filipino Americans
27
Social life and customs
27
Antiquities
26
Civil rights movements
25
Imperialism
24
Popular culture
24
Territorial expansion
22
Afro-Americans
21
Revolution
21
Campaigns
18
Political aspects
18
Regimental histories
18
Study and teaching
18
Relations
17
Civil War
16
Civil war
16
Discovery and exploration
16
Economic conditions
16
Emigration and immigration
16
History, Military
15
Indians
15
Influence
15
Slavery
15
Social aspects
15
Colonization
14
Political culture
14
Spanish-American War, 1898
14
Asian Americans
13
Intellectual life
13
Biography
12
Generals
12
Government relations
12
more ...