Working class History 290 Social conditions 129 Economic conditions 73 Labor movement 58 Politics and government 53 Political activity 52 more ... Labor unions 51 Labor 49 Social aspects 32 Social life and customs 31 Social classes 28 Dwellings 27 Education 26 Poor 24 Industrial relations 22 History and criticism 20 African Americans 18 Race relations 16 Economic policy 15 Employment 14 Immigrants 14 Socialism 14 Women 14 Economic aspects 12 Housing 12 Intellectual life 12 Tenement houses 11 Communism 10 Middle class 10 less ...