History 500 Politics and government 154 Colonies 143 History and criticism 114 Social conditions 103 Economic conditions 83 Civilization 75 更多 ... African Americans 68 Social aspects 58 Slavery 55 Music 53 Slave trade 53 Women 53 Black people 49 Economic history 46 Social life and customs 44 Colonization 43 International relations 43 Foreign relations 42 Relations 42 Description and travel 40 British colonies 39 In literature 37 Manners and customs 37 African literature 35 Study and teaching 35 Intellectual life 34 Political aspects 34 Popular music 34 Womyn 33 少 ...