Book: Grigsby, Leslie B. 1990 The Henry H. Weldon Collection: English Pottery, Stoneware and Earthenware 1650-1800.
• Published (pre-thermoluminescence testing): pp.388-389, pl. 235Book: Halfpenny, Patricia A. & Williams, Peter. 2000 A Passion for Pottery: Further Selections from the Henry H. Weldon Collection.
• See "Fakes" chapter: pp. 330-47, detail on owl jug: p. 344