Smith, John Alexander. “Note on the Supposed ’Charter Chest of Johnny Faa’ and Its Contents - Probably the Official Box and Plates, With Trade Marks of the Incorporation of Pewterers of Edinburgh”. Proceedings of the Society of Antiquaries of Scotland 9 (November 30, 1872): 264–268. Accessed June 18, 2024. https://journals.socantscot.org/index.php/psas/article/view/5480.