History 235 Politics and government 42 African Americans 38 Indians of North America 38 Social conditions 36 Race relations 31 Civil rights 27 more ... Discovery and exploration 22 Spanish 19 Antiquities 18 Presidents 18 Social life and customs 18 Election 17 Description and travel 16 Discoveries in geography 15 Travel 15 Contested elections 14 Social aspects 12 Spaniards 12 Colonies 11 Cuban Americans 11 Ethnic relations 11 First contact with other peoples 10 Foreign relations 10 Missions 10 Missions, Spanish 10 Trials, litigation, etc 10 Architecture 9 Authors, American 9 Civil rights movements 9 less ...