Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Adams factory "Seal of the United States" pattern: pattern title listed as Seal of the United States (alternate names: American Eagle; Eagle, Scroll in Beak), pattern no. 2381. William Adams IV & Sons, Stoke, factory, Stoke-on-Trent, Staffordshire, 1829-61, with impressed Bird-type maker's mark.