History 869 Politics and government 291 Indians of North America 231 Social conditions 221 African Americans 191 Race relations 176 Antiquities 139 Social life and customs 113 Social aspects 107 Ethnic relations 89 Foreign relations 83 Presidents 77 Political aspects 71 Civil rights 67 Government relations 67 Ethnic identity 62 Excavations (Archaeology) 55 Slavery 55 Intellectual life 53 Campaigns 52 Soldiers 46 Racism 45 Civil rights movements 44 Slaves 44 Civilization 41 Economic conditions 40 History and criticism 40 Influence 39 Mississippian culture 36 Race identity 36