This September, Encyclopedia Virginia invites you to make a gift to support the inclusive story of Virginia.Support Encyclopedia VirginiaMEDIA Show Media Credit: Archive.orgOriginal Author: The Commonwealth of PennsylvaniaCreated: 1908Medium: Book pageThe Statutes at Large of Pennsylvania (1908), Volume 13, Page 54James T. Michell and Henry Flanders, eds., The Statutes at Large of Pennsylvania from 1682 to 1801 (Philadelphia: William Stanley Ray, 1908), 13:54.FEATURED IN“An Act to Explain and Amend an Act Entitled ‘An Act for the Gradual Abolition of Slavery'” (March 29, 1788)