Brook, A.J.S. 1889. Notice of a Silver Brooch with Black Letter Inscription and Ornamentation in Niello, the Property of Miss Steven of Bellahouston, and of a Large Brass Highland Brooch with Incised Ornamentation, the Property of Mrs W R Mitford, 33 Coates Gardens Edinburgh. Proceedings of the Society of Antiquaries of Scotland. 23, (Nov. 1889), 192–199. DOI:https://doi.org/10.9750/PSAS.023.192.199.