Subject
History
28,418
World War, 1939-1945
9,847
Politics and government
4,611
Campaigns
3,868
World War, 1914-1918
3,706
Foreign relations
2,807
War
2,329
Vietnam War, 1961-1975
1,892
Social aspects
1,731
Cold War
1,513
History, Military
1,315
Social conditions
1,193
Soldiers
1,171
Influence
1,088
History and criticism
1,065
Causes
1,057
Peace
904
Iraq War, 2003-2011
901
Religious aspects
861
Holocaust, Jewish (1939-1945)
850
Political aspects
847
Regimental histories
777
Women
737
War and society
732
Jews
726
Atrocities
725
Diplomatic history
684
Indians of North America
663
Economic aspects
651
War on Terrorism, 2001-2009
640
Moral and ethical aspects
638
Wars
638
Literature and the war
635
Prisoners of war
592
War films
589
World politics
581
Veterans
573
Motion pictures
540
Generals
527
Naval operations
518
Psychological aspects
509
Armed Forces
505
Korean War, 1950-1953
496
Military policy
464
Ethnic relations
445
Slavery
436
Underground movements
432
Aerial operations, American
420
Refugees
420
Historiography
418
more ...