World War, 1939-1945 History 6,451 Guerre mondiale, 1939-1945 2,309 Jews 2,161 Campaigns 2,111 Holocaust, Jewish (1939-1945) 2,034 Underground movements 1,095 more ... Politics and government 1,045 Foreign relations 952 Atrocities 882 Histoire 860 International relations 676 Weltkrieg 639 Diplomatic history 634 Military campaigns 584 Persecutions 582 Rescue 575 Prisoners and prisons, German 560 Ethnic relations 505 Prisoners of war 494 Concentration camps 484 War 469 Secret service 415 History, Military 380 Regimental histories 361 Causes 347 Jewish resistance 340 Internment camps 336 Diplomatic relations 326 Armed Forces 322 less ...