History 722 Indians of North America 543 Social conditions 127 Antiquities 124 Indian art 110 Social aspects 101 History and criticism 100 Emigration and immigration 85 Birds 80 Free trade 78 Colonies 71 Religion 71 Discovery and exploration 70 Social life and customs 69 Politics and government 64 Ethnic relations 60 American literature 57 Economic conditions 57 Indian women 57 Discoveries in geography 56 Indians, Treatment of 56 Ethnic identity 54 Description and travel 52 Race relations 50 Economic integration 49 Indian philosophy 49 Paleontology 48 Geology 47 Government relations 45 Missions 44 Political aspects 43 Civilization 42 Colonization 40 Ecology 40 Economic aspects 39 Natural history 39 Religious aspects 39 Travel 38 Women 37 Botany 36 Indian authors 36 Indian dance 36 Indigenous peoples 34 Trees 33 Geology, Stratigraphic 32 Mexican Americans 32 Immigrants 31 Histoire 30 Historiography 30 Indians in literature 30 Intellectual life 30 Mammals 30 Rites and ceremonies 30 Indian mythology 29 Music 29 Relations 29 Ethnology 27 Frontier and pioneer life 27 In literature 27 Migrations 27 Cultural assimilation 26 Government policy 26 Indians 26 Paleo-Indians 26 Public opinion 26 Manners and customs 25 Environmental policy 24 Church history 23 First contact with other peoples 23 Folklore 23 Material culture 23 Commerce 22 Economic history 22 Insects 22 Land tenure 22 Environmental aspects 21 Human ecology 21 Identification 21 International relations 21 Law and legislation 21 Literature 21 Study and teaching 21 Urban Indians 21 Environmental conditions 20 French 20 Political activity 20 Christianity 19 Philosophy 19 Racism 19 Archaeology 18 Borderlands 18 Conservation 18 Womyn 18 Economic policy 17 Globalization 17 Historical geography 17 Indian pottery 17 Iroquois Indians 17 Research 17 Violence 17