Title: American labor and immigration history, 1877-1920s
Subjects: Working class, Immigrants, Congresses, European Americans, History, Aliens, Labor, Labor movement, Émigration et immigration, Américains d'origine européenne, Travailleurs, Población extranjera, Congrès, Immigrés, Classe ouvrière, Travailleurs étrangers, Étrangers, Histoire, Congresos, Working class, united states, Immigrants, united states, Europeans, united states
Places: United States