World War, 1939-1945 History 2,412 Campaigns 375 Guerre mondiale, 1939-1945 365 History, Military 228 Histoire 223 Holocaust, Jewish (1939-1945) 222 more ... Jews 203 Politics and government 198 Social conditions 173 Social aspects 170 Foreign relations 158 World War, 1914-1918 158 History and criticism 152 Literature and the war 141 Atrocities 128 Armed Forces 112 Women 112 Influence 110 Prisoners of war 99 Naval operations 95 Secret service 92 Ethnic relations 90 Underground movements 88 Regimental histories 87 Weltkrieg 87 Soldiers 86 Aerial operations, American 83 Diplomatic history 80 Social life and customs 79 less ...