The South Carolina Historical Society’s South Carolinians at Work collection is comprised of correspondence and other records, constitutions, and by-laws of organizations in Charleston, South Carolina. The organizations include Charleston Iron Works, American Federation of Musicians Local 502, Mechanics’ Union No. 1, Charleston Fire Department, and the Bricklayers, Masons and Plasterers International Union of America. Also included in the collection are several documents of apprenticeship indenture, receipts, and advertisements.