History 1,312 Colonies 832 Discovery and exploration 574 Discoveries in geography 466 Indians 210 Spanish 208 Indians of North America 198 History and criticism 194 Administration 190 Antiquities 170 Civilization 151 Politics and government 150 Slavery 142 Histoire 107 Description and travel 105 Spanish colonies 101 Colonization 100 Commerce 91 Social conditions 91 British colonies 89 Indians, Treatment of 86 Black people 84 In literature 83 Race relations 83 Historiography 78 Social aspects 75 British 72 Relations 69 Slave trade 69 Ethnic relations 65 Foreign relations 64 Religion 64 Government relations 61 HISTORY 60 Social life and customs 59 Explorers 57 Indians of South America 57 First contact with other peoples 56 International relations 56 African Americans 55 Imperialism 54 Economic conditions 50 Political aspects 50 Intellectual life 49 American literature 47 French 47 Missions 47 General 44 Indigenous peoples 41 Ethnology 40 Norse 39 Enslaved persons 38 Ethnicity 36 Literatures 36 Influence 34 Antislavery movements 32 Ethnic identity 32 Voyages and travels 31 Natural history 29 African diaspora 28 Africans 28 Emigration and immigration 27 Indian art 27 Languages 27 Religious aspects 27 Causes 26 French colonies 26 Literature 26 Pan-Americanism 26 Defenses 25 English literature 25 Frontier and pioneer life 25 Legal status, laws, etc 25 National characteristics, American, in literature 25 Travel 25 African influences 24 Free trade 23 Art 22 Economic policy 22 Law and legislation 22 Manners and customs 22 Christianity 21 First contact with Europeans 21 Knowledge and learning 21 Migrations 21 Origin 21 Public opinion 21 Sources 21 SOCIAL SCIENCE 20 Slave rebellions 20 Women 20 American influences 19 Archaeology 19 Civil rights 19 Early accounts to 1600 19 Economic aspects 19 Indians of Mexico 19 Philosophy 19 Population 19 Prehistoric peoples 19