Working class Labor movement 129 Labor 116 History 107 Labor unions 56 Travailleurs 32 Social conditions 29 more ... Political activity 17 Societies, etc 17 Employment 16 Histoire 16 Economic conditions 14 Emigration and immigration 13 Periodicals 13 African Americans 11 Immigrants 11 Congresses 10 Socialism 10 Dwellings 9 Foreign workers 9 Politics and government 9 Race relations 9 Wages 9 Slavery 8 Travail 8 Finns 7 Housing 7 Jews 7 Tenement houses 7 Textile workers 7 Coal miners 6 Conditions sociales 6 Minorities 6 Polish Americans 6 Communism 5 Ethnic groups 5 German Americans 5 Industries 5 Minority labor union members 5 Social life and customs 5 less ...