History African Americans 29 Indians of North America 29 Politics and government 26 Race relations 26 Civil rights 25 Discovery and exploration 19 more ... Spanish 19 Social conditions 18 Antiquities 13 Discoveries in geography 13 Spaniards 12 Colonies 11 Ethnic relations 11 Description and travel 10 First contact with other peoples 10 Foreign relations 10 Missions 10 Missions, Spanish 10 Social aspects 10 Architecture 9 Cubans 8 Civil rights movements 7 French 7 Fugitive slaves 7 History and criticism 7 Social life and customs 7 Anthropometry 6 Buildings, structures, etc 6 Diplomatic relations 6 less ...