History 294 History and criticism 106 Politics and government 76 Social conditions 52 English literature 35 Criticism and interpretation 32 Philosophy 29 Women 29 Social aspects 26 Foreign relations 23 Historiography 19 Intellectual life 19 Economic conditions 18 Church history 16 Colonies 16 Nationalism 16 Political aspects 15 World War, 1939-1945 15 Civilization 13 English fiction 13 English poetry 13 Influence 13 Mathematical models 13 World War, 1914-1918 13 Quantum theory 12 Religion 12 Women authors 12 In literature 11 Mathematics 11 Social life and customs 11