Forging freedom : the formation of Philadelphia's Black community, 1720-1840 / Gary B. Nash. Nash, Gary B. African Americans Pennsylvania Philadelphia History. F158.9.N4 N37 1988 974.8 NAF Includes index. Bibliography: p. [283]-343. Cambridge, Mass. : Harvard University Press, 1988. 1988. 1988 Text xii, 354 p. : eng Philadelphia (Pa.) History. Philadelphia (Pa.) Race relations. Pennsylvania Philadelphia