There are 3 titles associated with this firm.

Shelley, Percy B. Posthumous Poems of Percy Bysshe Shelley. London: John and Henry Leigh Hunt, 1824.
Charke, Charlotte. A narrative of the life of Mrs. Charlotte Charke, youngest daughter of Colley Cibber, Esq. Written by herself. London: Henry Leigh Hunt and Charles Cowden Clarke [Tavistock], 1827.
Charke, Charlotte. A narrative of the life of Mrs. Charlotte Charke, youngest daughter of Colley Cibber, Esq. Written by herself. London: George Byron Whitaker, Treacher, and Arnot, 1829.