There are 3 titles associated with this firm.

Porter, Jane. The Scottish chiefs, a romance. In three volumes. By Miss Jane Porter, author of Thaddeus of Warsaw, and Remarks on Sidney's aphorisms. Philadelphia: Bradford and Inskeep (Philadelphia), Inskeep and Bradford (New York), William M'llhenny, Edward Johnson Coale, Morford, Willington, & Co., 1810.