Book: Godden, Geoffrey A. 1991 Encyclopaedia of British Pottery and Porcelain Marks.
• Copeland impressed date marks: p. 171, no. 1075, stating month letter is superimposed over two-digit year numbers. (Thus the "N/74" on the Winterthur plate corresponds with November 1874.)Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Plate bearing same printed design picked out in color: pattern title listed as Loading. Please wait...Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Soup plate from same series: Object features the pattern "Ye Eagle & Tortoise," pattern no. 6128. "...one of a series of Aesthetic style designs based on Aesop's Fables that were registered by Copelands in 1879..."Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Plate from same series: Object features the pattern "Ye Bear & Ye Bees," pattern no. 19211. Similarly to the Winterthur plate, "The diamond registry mark...on the back, shows the date for March 12, 1881."