Article: Halfpenny, Patricia A. 08//2006 A Winterthur Primer: Underglaze Blue English Transfer-Printed Earthenware. Antiques and Fine Art. 190-91.
• Child's plate showing similar sign language, printed in blue: p. 192, fig. E150, "Manual Alphabet in a Circle," pearlware, possibly Leeds Pottery, Yorkshire. *See Winterthur 2023.0014.001)Book: Drakard, David & Holdway, Paul. 2002 Spode Transfer Printed Ware 1784-1833.
• Child's mug with seeimgly identical print but different handle: p. 176, c. 1820. Ear-shape strap, loop handle with molded leafy ends.Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Very similar plate: pattern title listed as "Jack and Jill" (Alternate name: Nursery Tales), pattern no. 5699, Brownhills Pottery Co. (1872-96), Tunstall, Staffordshire. Maker's mark (TCC) 52761Book: Drakard, David & Holdway, Paul. 2002 Spode Transfer Printed Ware 1784-1833.
Book: Halliday, Rosemary & Halliday, Richard. 2012 Extraordinary British Transferware: 1780-1840.