Subject
Internal security
Politics and government
111
History
110
National security
107
Prevention
46
Terrorism
46
Foreign relations
32
Security, International
31
Intelligence service
28
Police
27
Political aspects
26
Anti-communist movements
25
Civil rights
24
Armed Forces
20
Subversive activities
20
Communism
19
Military policy
19
Social aspects
19
Government policy
18
Postwar reconstruction
17
Insurgency
16
Crime prevention
15
Violence
15
Cold War
14
Law and legislation
14
Emigration and immigration
13
Military assistance, American
12
Nation-building
12
Secret service
12
Drug traffic
11
Electronic surveillance
11
Human rights
10
Law enforcement
10
Peace-building
10
Criminal justice, Administration of
9
Drug control
9
Strategic aspects
9
Violent crimes
9
Democracy
8
Democratization
8
History, Military
8
Social conditions
8
World War, 1939-1945
8
Civil-military relations
7
Counterinsurgency
7
Crime
7
International cooperation
7
Iraq War, 2003-2011
7
Criminal investigation
6
Military relations
6
more ...