1.
Armstrong WB. Notice of an Ancient Door-Knocker, with Armorial Bearings, from Muness Castle, Unst, Shetland. PSAS [Internet]. 1881 Nov. 30 [cited 2024 Nov. 22];15:101-3. Available from: https://journals.socantscot.org/index.php/psas/article/view/5956