History 145 Sources 23 Politics and government 18 History and criticism 15 Middle Ages 11 Civilization, Medieval 10 Foreign relations 9 more ... Social aspects 9 Relations 8 Social life and customs 8 Attitudes 7 Church history 7 Civilization 7 Jews 7 Thirty Years' War, 1618-1648 7 Women 7 Social conditions 6 Womyn 6 Discovery and exploration 5 Indians of North America 5 Intellectual life 5 International relations 5 Literature, Medieval 5 Slave trade 5 Colonies 4 Doctrines 4 Holocaust, Jewish (1939-1945) 4 Identity (Psychology) 4 Individuality 4 Interpersonal communication 4 less ...