1.
Petrie G. Notice of Ruins of Ancient Dwellings at Skara, Bay of Skaill, in the Parish of Sandwich, Orkney, recently excavated. PSAS [Internet]. 1867 Nov. 30 [cited 2024 Oct. 14];7:201-19. Available from: https://journals.socantscot.org/index.php/psas/article/view/5324