There are 4 titles associated with this firm.

Princeps, Elizabeth L. S. Variety. A Novel. By Elizabeth Louisa Slater Princeps. With Poetry. In Three Volumes. London: William Fearman, 1820.
Sansay, Leonora. Zelica, the Creole; A Novel, by an American. In three volumes. London: William Fearman, 1820.