History 1,313 Colonies 833 Discovery and exploration 575 Discoveries in geography 465 Indians 209 Spanish 208 Indians of North America 199 History and criticism 195 Administration 189 Antiquities 168 Civilization 151 Politics and government 150 Slavery 141 Description and travel 105 Colonization 101 Spanish colonies 97 Social conditions 95 British colonies 89 Black people 86 Commerce 86 Indians, Treatment of 86 In literature 83 Race relations 83 Historiography 78 Social aspects 76 British 72 Relations 70 Slave trade 69 Ethnic relations 66 Foreign relations 64 Religion 64 Government relations 61 Social life and customs 59 Explorers 58 Indians of South America 58 International relations 57 African Americans 56 First contact with other peoples 56 Imperialism 55 Economic conditions 51 Political aspects 51 Intellectual life 50 American literature 47 French 47 Missions 47 Indigenous peoples 41 Ethnology 40 Enslaved persons 39 Norse 39 Ethnicity 36 Literatures 36 Influence 35 Ethnic identity 33 Antislavery movements 32 Voyages and travels 31 African diaspora 30 Histoire 30 Africans 29 Emigration and immigration 28 Natural history 28 Religious aspects 28 Causes 27 French colonies 27 Indian art 27 Languages 27 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 Art 22 Economic policy 22 Free trade 22 Manners and customs 22 First contact with Europeans 21 Knowledge and learning 21 Law and legislation 21 Migrations 21 Origin 21 Public opinion 21 Slave rebellions 21 Sources 21 Philosophy 20 Prehistoric peoples 20 Women 20 American influences 19 Christianity 19 Civil rights 19 Early accounts to 1600 19 Economic aspects 19 Indians of Mexico 19 Population 19 Spaniards 19 Archaeology 18 Church history 18 Nationalism 18