ROSS, Alexander. 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, [S. l.], v. 20, p. 91–96, 1886. DOI: 10.9750/PSAS.020.91.96. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6183. Acesso em: 5 may. 2024.