Subject
World War, 1939-1945
History
3,869
Campaigns
696
Diplomatic history
356
Foreign relations
347
Holocaust, Jewish (1939-1945)
318
Jews
273
Politics and government
270
Social aspects
267
Regimental histories
251
History, Military
238
Social conditions
224
History and criticism
215
Underground movements
207
Atrocities
199
Influence
158
Aerial operations, American
153
World War, 1914-1918
138
Literature and the war
131
Women
128
Soldiers
125
Ethnic relations
123
Secret service
117
Prisoners of war
115
Armed Forces
101
National socialism
100
Political aspects
97
Refugees
97
Aerial operations, British
96
Causes
95
Propaganda
91
Collective memory
78
Bombing, Aerial
77
Concentration camps
77
Historiography
74
Rescue
73
Aerial operations
72
Naval operations, American
70
Collaborationists
69
War and society
68
Moral and ethical aspects
64
Atomic bomb
62
Naval operations
62
African Americans
60
Military intelligence
59
Persecutions
59
Japanese Americans
58
Motion pictures and the war
57
Psychological aspects
55
Religious aspects
52
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