Ross, A. (1886). Notice of the Discovery of Portions of Two Penannular Brooches of Silver, with Beads of Glass and Amber, and a Silver Coin of Coenwulf, King of Mercia (A.D. 795-818), at Mains of Croy, Inverness-shire. Proceedings of the Society of Antiquaries of Scotland, 20, 91–96. https://doi.org/10.9750/PSAS.020.91.96