Subject
History
Police
Politics and government
32
Social conditions
30
Crime
23
Law enforcement
19
Criminal justice, Administration of
17
Social control
11
Internal security
10
Race relations
10
Secret service
9
Police administration
7
Armed Forces
6
Influence
6
Political aspects
6
Political persecution
6
Government policy
5
History, Military
5
Intelligence service
5
Murder
5
National security
5
Police-community relations
5
Political activists
5
Political culture
5
Social life and customs
5
Socialism
5
African Americans
4
Crime prevention
4
Law and legislation
4
Legal status, laws, etc
4
Police brutality
4
Political activity
4
Prostitution
4
Riots
4
Black people
3
Civil rights
3
Communication in politics
3
Community policing
3
Complaints against
3
Criminal investigation
3
Discrimination in law enforcement
3
Espionage
3
Frontier and pioneer life
3
History and criticism
3
Information networks
3
Investigation
3
Mexican Americans
3
Military planning
3
Outlaws
3
Police training
3
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