There are 27 titles associated with this firm.

Lamb, Mary, and Charles Lamb. Mrs Leicester's School; or, The History of Several Young Ladies, Related by Themselves. London: Mary Jane Godwin, 1808.
Fenwick, Eliza. Lessons for Children; or, Rudiments of Good Manners, Morals, and Humanity. London: Mary Jane Godwin, 1809.
Shelley, Mary, W., and John Taylor. Mounseer Nongtongpaw, or, The discoveries of John Bull on a trip to Paris: a new version. London: Mary Jane Godwin, 1815.