Book: Ray, Anthony. 1994 Liverpool Printed Tiles.
• Similar tile: p. 31, no. B9-1, ships seen through rocky grotto frame. Notes sometimes found signed "J. Sadler Liverp[superscript l]"Book: Archer, Michael. 1997 Delftware: The Tin-glazed Earthenware of the British Isles, a Catalogue of the Collection in the Victoria and Albert Museum.
• Similar signed black- and unsigned purple-printed versions: pp. 516-17, nos. N.455-56, and col. pl. 336