History -- 18 History 12 Biography -- 3 History, Military -- 3 World War, 1939-1945 -- 3 Civil war, 1861-1865 2 Juvenile literature 2 more ... Presidents -- 2 Admirals -- 1 Aerial operations, American 1 Afro American soldiers -- 1 Afro-Americans -- 1 Airmen -- 1 Armed forces -- 1 Biography 1 Campaigns 1 Civil war -- 1 Civil war, 1861-1865 -- 1 Civilization 1 Civilization -- 1 Counterinsurgency -- 1 Dayak (Bornean people) 1 Decision making -- 1 Economic conditions -- 1 Economic policy -- 1 Equipment and supplies 1 Feminism -- 1 Foreign relations -- 1 History, Modern -- 1 History, military 1 less ...