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, 192–199. https://doi.org/10.9750/PSAS.023.192.199