History 71 Foreign relations 61 History and criticism 32 Politics and government 26 Social aspects 18 Social conditions 14 Presidents 11 American literature 10 Political aspects 10 Economic conditions 9 Race relations 9 Economic aspects 8 Civilization 7 English literature 7 Government policy 7 Military policy 7 Popular culture 7 Women 7 Civil rights 6 Criticism and interpretation 6 Horror tales, American 6 Relations 6 Study and teaching 6 World War, 1939-1945 6 African Americans 5 American fiction 5 Education 5 Election 5 Emigration and immigration 5 Foreign economic relations 5