Book: Cushion, J. P. & Honey, W. B. 1980 Handbook of Pottery and Porcelain Marks.
• For information on Wedgwood's marks: p.126Book: Volk, Joyce Geary. 2006 The Warner House: A Rich and Colorful History.
• Creamware punchbowl fragment with somewhat similar floral enamel ornament excavated at Warner House, Portsmouth NH: pp. 78-79, fig. 7.7.