There are 2 titles associated with this firm.

Owenson, Sydney. Patriotic Sketches of Ireland, Written in Connaught. By Miss Owenson. Two Volumes in one. Baltimore: Callender & Wills, Geo. Dobbin & Murphy, 1809.
Owenson, Sydney. Patriotic Sketches of Ireland, Written in Connaught. By Miss Owenson. Two Volumes in one. Baltimore: Callender & Wills, Geo. Dobbin & Murphy, 1809.