Subject
Forced labor
History
111
Human trafficking
33
World War, 1939-1945
30
Internment camps
28
Social conditions
28
Political prisoners
27
Slavery
27
Prisons
20
Prostitution
18
Conscript labor
17
Holocaust, Jewish (1939-1945)
16
Politics and government
15
Colonies
13
Economic conditions
13
Slave labor
13
Human rights
12
Labor
12
Concentration camps
11
Nazi concentration camps
11
Economic aspects
10
Political persecution
10
Slave trade
10
Social aspects
10
Prevention
9
Jews
8
Administration
7
Child labor
7
Crimes against
7
Prisoners
7
Service, Compulsory non-military
7
Communism
6
Ethnic relations
6
Peonage
6
Children's rights
5
Economic policy
5
Emigration and immigration
5
Foreign workers
5
Labor camps
5
Labor laws and legislation, International
5
Law and legislation
5
Prisoners and prisons, German
5
Prisoners and prisons, Soviet
5
Race relations
5
Women
5
Children
4
Colonization
4
Economic development
4
Employee rights
4
Employment
4
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