Social conditions History 526 African Americans 472 Economic conditions 268 Race relations 222 Politics and government 135 Jews 103 more ... Emigration and immigration 100 Slaves 91 Slavery 85 Social life and customs 84 Women 75 Immigrants 65 Ethnic relations 62 Minorities 59 Social aspects 55 Civil rights 50 Ethnic groups 46 Italian Americans 46 Periodicals 43 Case studies 40 Education 37 Mexican Americans 35 Civilization 34 Ethnic identity 33 Housing 32 Indians of North America 32 Biography 30 Employment 29 Description and travel 28 Japanese Americans 28 Population 28 Puerto Ricans 28 Racism 28 Irish Americans 26 Labor and laboring classes 25 Chinese Americans 24 Working class 24 Communism 22 Congresses 22 less ...