Labor History 77 Working class 45 Economic conditions 26 Social conditions 23 Labor movement 22 Labor unions 22 more ... Industrial relations 21 Religious aspects 21 Christianity 18 Capitalism 17 Social aspects 10 Labor market 8 Slavery 8 Work 8 Work ethic 8 Race relations 7 Employees 6 Labor laws and legislation 6 Wages 6 Economic aspects 5 Globalization 5 Industrial sociology 5 Labor policy 5 Labor supply 5 Political activity 5 African Americans 4 Christian sociology 4 Employment 4 Quality of work life 4 less ...