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. 4. 1429-1780.
• See p.1744, no.136.Web Site: National Portrait Gallery, London. www.npg.org.uk: . 2005 www.npg.org.uk