Subject
Prisoners and prisons, German
185
World War, 1939-1945
185
Prisoners of war
76
History
46
Concentration camps
28
Holocaust, Jewish (1939-1945)
27
Atrocities
17
Aerial operations, American
12
Underground movements
11
Conscript labor
8
Prisoner-of-war escapes
8
Campaigns
6
Death marches
6
Nazi concentration camps
6
Soldiers
6
Escapes
5
Forced labor
5
Holocaust survivors
5
Jews
5
Nazi concentration camp inmates
5
Bomber pilots
4
Fighter pilots
4
Jewish soldiers
4
Participation, African American
4
African American fighter pilots
3
Air pilots, Military
3
Automobile industry and trade
3
Childhood and youth
3
Military aspects
3
Military intelligence
3
Secret service
3
Women prisoners
3
Aerial gunners
2
Aerial operations, British
2
Airmen
2
Ardennes, Battle of the, 1944-1945
2
B-17 bomber
2
Calais, Battle of, Calais, France, 1940
2
Children
2
Communists
2
Defense industries
2
Family
2
French
2
Government policy
2
Guerrillas
2
Historians
2
History, Military
2
Industrial mobilization
2
Internment camps
2
Lynching
2
more ...