History 66 Relations 51 Manners and customs 34 Social life and customs 34 Politics and government 27 History and criticism 24 In literature 22 more ... Islam 15 Description and travel 14 Historiography 14 Commerce 13 Economic conditions 12 Arab-Israeli conflict 11 Foreign relations 11 International relations 11 Travel 10 Historical geography 9 History, Military 9 Church history 8 Defenses 8 English literature 8 Foreign economic relations 8 International economic relations 8 Social conditions 8 Christianity 7 Christianity and other religions 7 Civilization 7 Ethnology 7 Kings and rulers 7 Knowledge and learning 7 less ...