Book: Reilly, Robin. 1989 Wedgwood.
• Same model and pattern in pattern book: vol. 2, p. 414, nos. 638, 638A, c. 1815, non-enamelled, "WEDGWOOD P" marks.Book: Henrywood, R. K. 1997 An Illustrated Guide to British Jugs.
• Same relief design on Wedgwood drab stoneware jug in pale blue with off-white sprigs, c. 1810-20, "WEDGWOOD" markBook: Mankowitz, Wolf. 1953 Wedgwood.
• Same shape in Wedgwood 1817 Shape Book, in plate engraved by William Blake: pl. 24 (illustrating Shape Book p. 13).