Book: Smith, John Chaloner. 1884 British Mezzotinto Portraits; Being a Descriptive Catalogue of These Engravings from the Introduction of the Art to the early part of the present century. 3. 941-1428.
• See p.1025-1026, no.71.Book: The British Museum, et al. Catalogue of Engraved British Portraits Preserved in the Department of Prints and Drawings.
• Vol. 4, p. 175