HeadingBarrow, J. used in: Bibliothèque nationale de France, Paris
Sources
Found inExeter Working Papers in Book History. Exeter Working Papers in British Book Trade History; The London book trades 1775-1800 : a preliminary checklist of members. Names B - http://bookhistory.blogspot.com/2007/01/london-1775-1800-b.html (2010-05-06)