Article: Ewins, Neil. 1997 "Supplying the Present Wants of Our Yankee Cousins ...": Staffordshire Ceramics and the American Market 1775-1880. Journal of Ceramic History. 15: All.
• Exports from Staffordshire to P. Wright of Philadelphia 1868-77, listing factory names: pp. 144-147Article: Earls, Amy C. & Miller, George L. 2005 "1830s Painted Wares from a New Orleans Importer". Ceramics in America. (2005): 247-252.
• Whiteware exports to New Orleans importer (some marked): see whole article.Book: Henrywood, R. K. 1997 An Illustrated Guide to British Jugs.
• Earthenware jugs with grey-printed "Lazuli" pattern, attributed to Swansea: p. 82, pl. 223 ("ELIZABETH QUICK/1847" in gilding); pl. 224Article: Hallesy, Helen. 2005 "The Ynysmeudwy Pottery 1845-1877", in Gray, Jonathan. 2005. Welsh Ceramics in Context. 272-303.
• Earthenware baptising bowl, jug, and chamberstick in "Lazuli" pattern: pp. 294-5, nos. 15.59-61, noting Lazuli also found on Swansea wares. At Ynysmeudwy, printed in blue, green and grey.