Article: Grigsby, Leslie B. 01//2020 Winterthur Primer: Fit for a King (or Queen) Ceramics and the British Monarchy. Antiques and Fine Art. XIX (1): 156-157.
• Published: p. 157, no. 5Book: Reilly, Robin & Savage, George. 1973 Wedgwood: the Portrait Medallions.
• Very similar medallion: p. 167, i, "Attributed to Hackwood and modelled as a pair to Queen Charlotte [see p. 96]. This portrait also exists surmounted by ribbons inscribed 'HEALTH RESTORED'."Book: Adams, Elizabeth Bryding. 1992 The Dwight and Lucille Beeson Wedgwood Collection at the Birmingham Museum of Art.
• Similar medallion: color plate 81, p. 104, "ca. 1775, William Hackwood, modeler, after portrait by Isaac Gosset (1713- 99)Catalogue: Skinner (sales catalogue).
• Wedgwood and Bentley marked similar medallion: January 9, 2010, lot 157.