Subject
World War, 1939-1945
9,852
History
3,912
Campaigns
1,549
Holocaust, Jewish (1939-1945)
767
Jews
645
Foreign relations
568
Politics and government
549
Social aspects
383
Atrocities
370
Underground movements
357
Diplomatic history
356
Social conditions
314
Aerial operations, American
292
Prisoners of war
255
Regimental histories
252
History, Military
243
Soldiers
243
Influence
232
Secret service
228
Ethnic relations
225
Women
221
History and criticism
215
Rescue
212
Concentration camps
211
Causes
208
Prisoners and prisons, German
185
World War, 1914-1918
185
Refugees
181
Naval operations
178
Aerial operations, British
176
Literature and the war
170
Persecutions
169
Naval operations, American
168
Aerial operations
162
Armed Forces
152
Japanese Americans
151
Economic aspects
150
Propaganda
147
National socialism
143
Psychological aspects
124
Political aspects
123
Prisoners and prisons, Japanese
119
Collective memory
116
Children
115
Historiography
115
Officers
108
Jewish resistance
107
Moral and ethical aspects
102
Collaborationists
101
Peace
101
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