History 243 African Americans 41 Social conditions 37 Race relations 31 Politics and government 28 Social aspects 18 Civil rights 12 more ... Economic conditions 12 Political activity 10 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 Manners and customs 6 Military participation 6 Social life and customs 6 Architecture and society 5 Frontier and pioneer life 5 Latter Day Saints 5 Migrations 5 Political aspects 5 Women 5 Armed Forces 4 less ...