History Politics and government 2,440 Jews 1,270 Civilization 1,074 Ethnic relations 891 Social conditions 782 World War, 1939-1945 778 more ... Historiography 695 International relations 672 Social life and customs 671 Foreign relations 662 Intellectual life 552 Manners and customs 431 Nationalism 429 Kings and rulers 421 Philosophy 407 Antiquities 386 Relations 348 Holocaust, Jewish (1939-1945) 327 Influence 306 Social aspects 296 Description and travel 285 Economic conditions 285 Colonies 266 Antisemitism 260 History and criticism 240 Political aspects 239 Women 216 World War, 1914-1918 195 Causes 186 less ...