Book: Mountford, Arnold R. 1971 The Illustrated Guide to Staffordshire Salt-Glazed Stoneware.
• William Littler and Aaron Wedgwood, "Little-Wedgwood blue": pp. 51-53; fig. 172Book: Grigsby, Leslie B. 1990 The Henry H. Weldon Collection: English Pottery, Stoneware and Earthenware 1650-1800.
• Similar object: pl. 17, pp.82-83.Book: Schiffer, Margaret B. 1974 Chester County, Pennsylvania Inventories 1684-1850.
• Local period reference: p. 22, 1766 estate inventory of Robert Wilson of Concord, Chester County PA, "blue stone Tea pott"Book: Edwards, Diana & Hampson, Rodney. 2005 White Salt-glazed Stoneware of the British Isles.
• "Mazarine blue" fragments from Thomas Whieldon's Fenton Vivian factory site: p. 39, col. pl. 27Book: Liggett, Barbara. 1978 Archaeology at New Market Exhibit Catalogue.
• Littler's-Wedgwood blue teapot excavated New Market site, Philadelphia: p. 34. (V-586-7), crabstock handle and spout, no enamel.