Title: Social and industrial history
Subjects: Labor unions, Bibliography, Indentured servants, History, Politics and government, Reconstruction (U.S. history, 1865-1877), Commerce, Description and travel, Main-d'œuvre engagée à long terme, Histoire, Politique et gouvernement, Descriptions et voyages, Bibliographie, Travel
Places: United States, Maryland, Switzerland, Virginia, Japan, Suisse, Virginie
Time periods: 1499-1648, 1865-1950