Book: Stradling, Diana. 2005 "Fancy Rockingham" Pottery: The Modeller and Ceramics in Nineteenth-Century America.
• Unmarked example much like Winterthur version: pp. 28-29, no. 13, attributed to James Carr & Co., Swan Hill Pottery, South Amboy, New Jersey, ca 1852-54, with mold possibly from Charles Cartlide's factory.Book: Stradling, Diana. 2005 "Fancy Rockingham" Pottery: The Modeller and Ceramics in Nineteenth-Century America.
• Three variations on same modelof jug: pp. 26-29, nos. 13-15, discussing different manufacturers, modellers, etc.