History 1,255 Colonies 789 Discovery and exploration 565 Discoveries in geography 466 Indians 207 Spanish 205 Indians of North America 188 History and criticism 182 Administration 179 Antiquities 168 Politics and government 144 Civilization 143 Slavery 132 Description and travel 104 Spanish colonies 99 Colonization 92 British colonies 87 Social conditions 87 Indians, Treatment of 84 Commerce 83 Black people 82 In literature 79 Race relations 77 Historiography 74 Social aspects 71 British 70 Relations 65 Slave trade 65 Ethnic relations 63 Foreign relations 63 Religion 62 Social life and customs 57 Explorers 56 First contact with other peoples 56 International relations 56 Government relations 55 Indians of South America 55 African Americans 54 Imperialism 51 Economic conditions 49 Intellectual life 49 French 47 Missions 46 American literature 45 Political aspects 44 Ethnology 40 Norse 39 Indigenous peoples 37 Literatures 36 Ethnicity 35 Enslaved persons 34 Influence 32 Ethnic identity 31 Voyages and travels 31 Antislavery movements 29 Natural history 29 African diaspora 27 Africans 27 Indian art 27 Causes 26 Emigration and immigration 26 French colonies 26 Languages 26 Defenses 25 Histoire 25 Literature 25 Pan-Americanism 25 Religious aspects 25 African influences 24 Frontier and pioneer life 24 National characteristics, American, in literature 24 Travel 24 English literature 23 Free trade 23 Art 22 Economic policy 22 Legal status, laws, etc 22 Public opinion 22 Knowledge and learning 21 Manners and customs 21 Origin 21 First contact with Europeans 20 Law and legislation 20 Migrations 20 Women 20 Economic aspects 19 Indians of Mexico 19 Philosophy 19 Prehistoric peoples 19 Slave rebellions 19 Sources 19 Spaniards 19 Archaeology 18 Christianity 18 Civil rights 18 Population 18 Race identity 18 American influences 17 Church history 17 Early accounts to 1600 17