History Politics and government 363 World War, 1939-1945 354 Biography 241 Campaigns 223 Juvenile literature 122 Foreign relations 93 United States 88 Civilization 81 Social conditions 67 Malaya 60 Malaysia 60 Civil War, 1861-1865 57 History, Military 57 Sources 54 Communism 52 Economic conditions 52 Regimental histories 52 Description and travel 50 Examinations, questions, etc 45 Armed Forces 41 Great Britain 38 Islam 38 World War, 1914-1918 38 World war, 1939-1945 38 Personal narratives 36 20th century 34 Naval operations 33 Germany 30 Study and teaching (Secondary) 30