There are 8 titles associated with this firm.

Opie, Amelia. The warrior's return, and other poems, by Mrs. Opie. New York: Inskeep and Bradford (New York), 1808.
Sansay, Leonora. Laura. By a lady of Philadelphia. New York: Inskeep and Bradford (New York), 1809.
Sansay, Leonora. Laura. By a lady of Philadelphia. Philadelphia: Bradford and Inskeep (Philadelphia), 1809.
Porter, Anna M. The Hungarian Brothers. By Miss Anna Maria Porter. In Two Volumes. Philadelphia: Bradford and Inskeep (Philadelphia), Inskeep and Bradford (New York), 1809.