Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Rogers factory "Boston Harbor" pattern: pattern title listed as Boston Harbor, pattern no. 4716. John Rogers & Son factory, Longport, Staffordshire, 1815-42, with impressed maker's mark.