History 29 Labor unions 14 Social conditions 10 Economic conditions 9 Employment 9 Agricultural laborers 6 Housing 5 more ... Migrant agricultural laborers 5 Politics and government 5 Social aspects 5 Women foreign workers 5 Women household employees 5 Economic aspects 4 Foreign workers, Mexican 4 Hispanic American women 4 Political activity 4 Women immigrants 4 Working class 4 Working class women 4 Chinese 3 Emigration and immigration 3 Foreign workers 3 Government policy 3 Immigrants 3 Labor 3 Nannies 3 Women 3 Womyn 3 Agricultural laborers, Foreign 2 Agriculture 2 less ...