History Politics and government 444 World War, 1939-1945 353 Biography 272 Campaigns 200 Islam 191 Foreign relations 162 United States 157 Military art and science 151 History, Military 97 Armed Forces 92 Communism 87 Malaysia 83 20th century 80 Terrorism 77 Social conditions 73 Civilization 71 Sources 71 Military policy 68 Economic conditions 66 Great Britain 66 Malaya 59 Pictorial works 56 Civil War, 1861-1865 53 Juvenile literature 53 World politics 51 Regimental histories 48 Military history, Modern 47 War 46 World War, 1914-1918 43