Book: Henry Francis du Pont Winterthur Museum, Inc. 1960 Accessions 1960.
• Published: p. 25, Fig. 16, No. 55.Book: Marschner, Joanna. 2017 Enlightened Princesses: Caroline, Augusta, Charlotte, and the Shaping of the Modern World.
• Published: pp. 461 and 463, no. 28.11Article: Blake Roberts, Gaye. 2005 "Eighteenth Century Creamware and Pearlware", in Gray, Jonathan. 2005. Welsh Ceramics in Context. Part II. 1-28.
• Sadler and Green-printed pearlware plate with black-printed shells and green hand-enameling: p. 24, no. 1.28, "WEDGWOOD" mark, c. 1780.Article: Grigsby, Leslie B. 2005 British Earthenware and Porcelain in Eighteenth Century America, in Gray, Jonathan. 2005. Welsh Ceramics in Context. 2. 71-91.
• West Indies (Antigua) order for "Green Shells" Wedgwood creamware and pearlware: p. 79, from a Mr. Gilchrist in 1783