Frank Tilley, 'The Twiss Crown Posset Pot and some previously unrecorded dated English delftware', Apollo, December 1952, p. 181, fig. VIII and fig. IX.
Louis L. Lipski and Michael Archer, Dated English Delftware, Tin-Glazed Earthenware 1600-1800, London, 1984, no. 1568.
John C. Austin, British Delft at Williamsburg, Williamsburg, Virginia, 1994, p. 261-no. 622, footnote 2.
Leslie B. Grigsby, The Longridge Catalogue, Vol. II, D377.