There are 6 titles associated with this person.

Manners, Catharine Rebecca. Poems by Lady Manners. London: John Bell [132 Strand], 1793.
Manners, Catharine Rebecca. Poems by Lady Manners. London: John Booth, George, George, and John Robinson, Benjamin and John White, 1794.
Manners, Catharine Rebecca. The Lords of Erith, A Romance, in three volumes. By C. Manners. London: Richard Ryan [353 Oxford Street], G. Shade, 1809.