Periodicals 47 Working class 16 Labor unions 12 Economic policy 9 Agriculture 7 Economic aspects 6 Employment 5 more ... Industries 5 Labor laws and legislation 5 Economic conditions 4 Labor supply 4 Child labor 3 Industrial relations 3 International business enterprises 3 Labor movement 3 Organization 3 Peasants 3 Railroads 3 Unemployed 3 Women 3 Womyn 3 Business 2 Cost and standard of living 2 Economic development 2 Employees 2 Labor 2 Labor policy 2 Organizational behavior 2 Plumbers 2 Produce trade 2 less ...