There are 7 titles associated with this person.

Lewis, Mary. Gwenllean. A Tale. By Miss M. G. Lewis. In Three Volumes. London: J. C. Spence, 1823.
Lewis, Mary. Zelinda, a Poem; and Cardiff Castle, a Dramatic-historical Sketch. Dedicated by Permission to the Most Noble the Marquis of Bute. By M.G. Lewis, author of Gwenllean, a Tale in Three Volumes. London: W. Simpkin and R. Marshall, Sherwood, Neely, and Jones, The Royal Library, Edmund Lloyd and Son [50 Harley Street], Crew, 1823.
Lewis, Mary. Zelinda, a Poem; and Cardiff Castle, a Dramatic-historical Sketch . . . London: John Richardson [Royal Exchange], 1824.
Lewis, Mary. Ambition. In Three Volumes. London: William Blackwood [Princes Street], Thomas Cadell Jun., 1825.
Lewis, Mary. The Jewish Maiden. A Novel. By the Author of “Ambition, &c.” In Four Volumes. London: Minerva Press, A. K. Newman and Co., 1830.