Sanderson, J.H. 1863. Account of the Plate-Marks used in Scotland since the year 1457, and Chronological List of those of Edinburgh from 1681; to which is added a Note of those used in Glasgow. Proceedings of the Society of Antiquaries of Scotland. 4, (Nov. 1863), 541–548. DOI:https://doi.org/10.9750/PSAS.004.541.548.