History 246 African Americans 43 Social conditions 38 Race relations 32 Politics and government 30 Social aspects 19 Civil rights 12 more ... Economic conditions 12 Political activity 12 Regimental histories 10 Buildings 9 Buildings, structures, etc 9 Ethnic relations 8 Civil rights movements 7 Economic history 7 Education 7 Immigrants 7 Indians of North America 7 Intellectual life 7 Emigration and immigration 6 Latter Day Saints 6 Manners and customs 6 Military participation 6 Political aspects 6 Social life and customs 6 Architecture and society 5 Frontier and pioneer life 5 History and criticism 5 Migrations 5 Women 5 less ...