Western HISTORY 110 World War, 1939-1945 63 History 61 Guerre mondiale, 1939-1945 54 Histoire 42 World War, 1914-1918 28 Campaigns 26 Military campaigns 26 Guerre mondiale, 1914-1918 24 Campagnes et batailles 22 BIOGRAPHY & AUTOBIOGRAPHY 21 Historical 21 Armed Forces 17 Histoire des unités 15 Regimental histories 15 Soldiers 14 American 12 Diplomatic relations 12 Foreign relations 12 Relations extérieures 12 Military operations, Aerial 11 Military participation 9 Aerial operations, American 8 Conditions sociales 8 General 8 Prisoners of war 8 Prisonniers de guerre 8 Social conditions 8 Weltkrieg 8