Book: Mountford, Arnold R. 1971 The Illustrated Guide to Staffordshire Salt-Glazed Stoneware.
• Pair of similar vases or flower pots with lions and swags: pl. 83, noting 1785 reference to John Wood of Brownhills, Burslem seeling "2 Round covered potting pots, Lyons faces, 2/4d". Notes enameled version at Cleveland Museum of Art.Book: Museum of London, Department of Greater London Archaeology. 1988 Excavations in Southwark 1973-76, Lambeth 1973-79.
• Similar form delftware urn with human masks in delftware: p. 351, no. 1587, excavated at London's Lambeth Road, Lambeth, factory waste site.Catalogue: 2007 Christie's (sales catalogue).
• Similar form group of 3 with human masks: Christies, London, Rous Lench collection, May 29-30, 1990, lots 162-4, much like Winterhtur's in shape, no swags.