The Old Radical: Representations of Jeremy Bentham-
Addition to Catalogue entry No. 20, p.42.
It is now possible to view the original pencil and white chalk portrait on which the lithograph is based, through Visual Information Access on the Harvard University Library website.
Sully visited Bentham in London in 1827 when he drew this portrait, and a sketch of Bentham writing at his desk [Catalogue No. 21].