History 145 World War, 1939-1945 92 World War, 1914-1918 70 World war 36 Foreign relations 24 International relations 22 History and criticism 19 World War 19 War 17 World politics 15 Europe 14 Literature and the war 13 Politics and government 12 Social conditions 12 World war II 12 Imperialism 11 American fiction 10 English literature 10 Fiction 10 Great Britain 10 World war I 10 India 9 Second world war 9 Women 9 World war II (1939-1945) 9 History Europe 8 Secret service 8 20th century 7 Causes 7 Economic conditions 7