Labor supply Employment 8 Economic conditions 6 Emigration and immigration 6 Manpower policy 5 Statistics 5 Unemployed 5 more ... History 4 Population 4 Wages 4 Foreign workers 3 Migration, Internal 3 Minorities 3 Periodicals 3 Affirmative action programs 2 Agricultural laborers 2 Economic aspects 2 Employees 2 Employment forecasting 2 Hispanic Americans 2 Unemployment 2 Unemployment insurance 2 Vocational education 2 Working class 2 African Americans 1 Agrumes 1 Capitalism 1 Census, 16th, 1940 1 Census, 1980 1 Census, 20th, 1980 1 Citrus fruit industry 1 Defense industries 1 Discrimination in employment 1 Economic history 1 Effect of technological innovations on 1 Foreign workers, Mexican 1 Full employment policies 1 Hours of labor 1 Income distribution 1 Industrie 1 less ...