First contact with Europeans History 150 Indians of North America 106 Discovery and exploration 54 Colonies 33 Indians 32 Antiquities 24 more ... Spanish 24 Indians, Treatment of 20 Colonization 19 Government relations 19 Race relations 15 Frontier and pioneer life 11 Politics and government 11 Excavations (Archaeology) 10 Indians of South America 10 Administration 9 Commerce 9 Cultural assimilation 9 Europeans 9 Indians of Mexico 9 Indians of the West Indies 9 Relations with Indians 9 Social life and customs 9 Spaniards 9 Ethnic relations 8 Historiography 8 Social conditions 8 Whites 8 Attitudes 7 less ...