Working class History 33 Social classes 11 Education 10 Social conditions 10 Employment 7 Women 7 更多 ... Economic conditions 6 Political activity 6 Case studies 5 Adult education 4 Job satisfaction 4 Poor 4 Biography 3 Congresses 3 Politics and government 3 Work 3 Alien labor 2 Apprentices 2 Architecture, Domestic 2 Artisans 2 Attitudes 2 Business community participation 2 Cost and standard of living 2 Cost control 2 Dwellings 2 Education (Higher) 2 Elite (Social sciences) 2 Emigration and immigration 2 Housing 2 少 ...