History 184 Indians of North America 149 Economic conditions 34 Social conditions 30 Discovery and exploration 28 Free trade 28 History and criticism 28 Social aspects 26 Antiquities 25 Economic integration 24 Economic forecasting 22 Ethnic identity 22 Social life and customs 19 Ecology 18 Economic aspects 18 Government relations 18 Indian philosophy 18 American literature 16 First contact with Europeans 16 Politics and government 16 Colonies 14 Emigration and immigration 14 Indians, Treatment of 14 Natural history 14 Race relations 14 Indigenous peoples 13 Paleo-Indians 13 Religion 13 Birds 12 Conservation 12 Ethnology 12 Globalization 12 Government policy 12 Histoire 12 Indians in literature 12 Migrations 12 Missions 12 Agriculture 10 Church history 10 Commerce 10 Cultural assimilation 10 Ethnic relations 10 French 10 Frontier and pioneer life 10 Indian authors 10 Indian dance 10 National security 10 Political aspects 10 Public opinion 10 Relations 10 Women 10 Attitudes 8 Boundaries 8 British 8 Colonization 8 Indian mythology 8 Indians in popular culture 8 Influence 8 Intellectual life 8 Land tenure 8 Nationalism 8 Paleontology 8 Political activity 8 Religious aspects 8 Sex role 8 Autochtones 6 Biodiversity conservation 6 Border security 6 Christianity 6 Civilization 6 Clovis culture 6 Control 6 Cultural pluralism 6 Cultural property 6 Employment 6 Environmental aspects 6 Ethnohistory 6 Finance 6 Glacial epoch 6 Human beings 6 Human body 6 Immigrants 6 Imperialism 6 Indian art 6 International economic integration 6 Law and legislation 6 Legal status, laws, etc 6 Mammals, Fossil 6 Management 6 Nationalisme 6 Paleoecology 6 Philosophy 6 Population 6 Protection 6 Protestant churches 6 Psychology 6 Regionalism 6 Research 6 Rites and ceremonies 6 SOCIAL SCIENCE 6