History Colonies 17 Discovery and exploration 7 Indians of North America 5 Spanish 5 Civilization 4 Colonization 4 First contact with Europeans 4 African influences 3 French 3 Government relations 3 Relations 3 Administration 2 Aztecs 2 Explorers 2 Frontier and pioneer life 2 Indians of Mexico 2 Influence 2 Race relations 2 Slave insurrections 2 Social conditions 2 ANTIQUITIES 1 African Americans 1 African diaspora 1 Africans 1 American influences 1 American literature 1 Antislavery movements 1 Blacks 1 Books and reading 1