History 1,723 Politics and government 456 Foreign relations 195 History and criticism 178 Intellectual life 152 Civilization 134 Social aspects 121 World War, 1939-1945 120 Relations 118 Economic conditions 117 Social conditions 115 Influence 88 Civilization, Medieval 78 Church history 77 World War, 1914-1918 65 Philosophy 64 Political aspects 64 Religious aspects 57 World politics 57 European literature 54 Christianity 52 History, Military 52 Criticism and interpretation 50 Middle Ages 47 Nationalism 47 Ethnic relations 46 Jews 46 Women 46 Science 45 Enlightenment 44