Subject
Current affairs
Political science
Documentary films
289
Social sciences
150
History
136
History, Modern
112
Americans
102
Sociology
102
Foreign study
76
Human rights
55
Ethnicity
52
Enthnology
50
Criminal law
36
Balts (Indo-European people)
35
Politics and government
34
Television series
33
Women's studies
30
Middle East
29
History, Military
26
Politicians
19
Social action
18
Gender identity
17
Journalism
17
Latin America
15
Racism
15
Asians
14
Digital communications
14
Economic development
14
Mass media
13
Mass media and culture
13
Emigration and immigration
12
Health
12
African Americans
11
Judaism
11
Philosophy and religion
11
Arts
10
Elections
10
German language
10
Science
10
Artists
8
Race
8
African studies
6
Communism
6
Environmental sciences
6
Voting
6
Biography
5
Business
5
Indigenous peoples
5
Motion pictures
5
Slavery
5
more ...