Book: Larsen, Ellouise Baker. 1974 American Historical Views on Staffordshire China.
• See pgs 124-125 for description of pattern.Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Mayer factory "Arms of Maryland" pattern: pattern title listed as Arms of Maryland (alternate names: Arms of the States, Maryland; Arms of the American States, Maryland), pattern no. 2968. Border pattern identified as Trumpet flower and vine: Mayer. Thomas Mayer factory, Stoke-on-Trent & Longport, Staffordshire, 1826-38, with impressed and printed Bird-type maker's marks.Electronic: Transferware Collectors Club. Transferware Collectors Club Database of Patterns & Sources. Transferware Collectors Club 03/13/2024 https://www.transferwarecollectorsclub.org/members/database
• Design source (print): see under pattern no. 2968, for engraving titled "Arms of the States: Maryland," detail from "Arms of the States" by George Murray, a facsimile of the Declaration of Independence published by John Binns, 1819.