Book: Sandon, John. 1993 The Dictionary of Worcester Porcelain, 1751-1851, Volume 1. 1.
• Description of pine cone pattern: p. 261.Book: Sandon, John & Spero, Simon. 1996 Worcester Porcelain, 1751-1790: The Zorensky Collection. 526 pp.
• Similar rim shape and pattern: p, 482, no. 659.