Anderson J. Notice of a Fragment of a Silver Penannular Brooch, ornamented with Gold Filigree Work and Amber Settings, found at Achavrole, Dunbeath, Caithness, in 1860: and of two Silver Brooches, the property of Andrew Heiton, F.S.A. Scot., said to have been found in the neighbourhood of Perth. PSAS [Internet]. 1880 Nov. 30 [cited 2024 Nov. 22];14:445-52. Available from: https://journals.socantscot.org/index.php/psas/article/view/5939