Book: Edwards, Diana & Hampson, Rodney. 2005 White Salt-glazed Stoneware of the British Isles.
• Discussion of so-called Litter-Wedgwood blue stoneware: pp. 118-20Book: Edwards, Diana & Hampson, Rodney. 2005 White Salt-glazed Stoneware of the British Isles.
• "Mazarine blue" fragmentsfrom Thomas Whieldon's Fenton Vivian factory site: p. 39, col. pl. 27Book: Skerry, Janine E. & Hood, Suzanne Findlen. 2009 Salt-Glazed Stoneware in Early America.
• "Littler-Wedgwood blue: wares in colonial America: pp. 121-22, fig. 31, teapot, 1750-65Book: 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: 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.Book: Mountford, Arnold R. 1971 The Illustrated Guide to Staffordshire Salt-Glazed Stoneware.
• Discussion of William Littler and Aaron Wedgwood creating wares of this color with floral gilding: nos. 170 and 172 and pp. 52, 59. C. 1750+Book: Luxmoore, Chas. F. C. 1924 English Saltglazed Earthenware.
• Littler's Blue tea and coffeeware, variously plain or with gilt or enamel ornament: pl. 38