Book: Pugh, P. D. Gordon. 1987 Staffordshire Portrait Figures of the Victorian Era.
• Probably from same mold: pp. B196-7, fig. 54, noting made as a pair with figures of Charles Stewart Parnell (fig. 55). and p. B188, col. pl. 19 (Gladstone & Parnell).Book: Henrywood, R. K. 1997 An Illustrated Guide to British Jugs.
• Relief-molded jug by Doulton and Co. with commemorative portrait of Gladstone: p. 165, pl. 472, 1898Book: Beddoe, Stella. 2015 A Potted History: Henry Willett's Ceramic Chronicle of Britain.
• Example possibly from same mold, with similar painted details: p. 121, no. R2454.35, c. 1885. "Portrait of Gladstone wearing a waistcoat decorated with shamrocks (demonstrating support for Irish Home Rule), shown with an axe since he liked to chop wood for relaxation."