Labor unions History 486 Officials and employees 419 Labor leaders 223 Syndicats 163 Histoire 119 Labor movement 103 more ... Personnel 81 Politics and government 80 Working class 67 Dirigeants syndicaux 63 Migrant agricultural laborers 63 Political activity 59 Organizing 49 Biography 45 Labor 42 Mexican American migrant agricultural laborers 41 Mexican Americans 41 Agricultural laborers 40 Communists 40 Socialists 37 Social conditions 33 Labor union members 30 Women labor leaders 28 Mouvement ouvrier 27 Coal miners 26 Employees 24 Politicians 24 African Americans 23 Gewerkschaft 23 less ...