History 356 Indians of North America 86 Histoire 29 Emigration and immigration 27 Ethnic relations 25 Social conditions 24 Indians, Treatment of 23 more ... Social aspects 23 Colonization 18 Race relations 16 Social life and customs 16 Colonies 15 History and criticism 15 Discoveries in geography 14 Discovery and exploration 14 Political aspects 14 Ethnic identity 13 American literature 11 Antiquities 11 Economic conditions 11 Historiography 11 Missions 11 Politics and government 11 First contact with other peoples 10 Government relations 10 Indigenous peoples 10 Mexican Americans 10 Travel 10 history 10 Civilization 9 less ...