Electronic: Walthall, John A. 2013 Queensware Direct from the Potteries: U. S. Importers of Staffordshire Ceramics In Antebellum America: 1820 - 1860. Illinois State Archaeological Society 08/05/2014
• Two printed marks and plates for Davenport Brothers at 203 Greenwich Street, NY: pp. 37-40, in Claremont and Sydenham (in blue, but probably same series as Winterthur's dish) patterns, 1855-60+ by J. Clementson (1839-64).Article: 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.Article: Miller, George L. & Earls, Amy C. 2008 "War and Pots: The Impact of Economics and Politics on Ceramic Consumption Patterns". Ceramics in America. 67-108.
• Brown-printed plate with same border and variation on same merchant's mark: p. 73, figs. 2-3 with Brothers invoice (fig. 1), 1861.