JOASS, J Maxwell; AITKEN, T. The Brochs or Pictish Towers of Cinn-Trolla, Carn-Liath, and Craig-Carril, in Sutherland, with Notes on other Northern Brochs. With Report upon the Crania found in and about them. Archaeologia Scotica, [S. l.], v. 5, p. 95–130, 1891. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/314. Acesso em: 25 jul. 2024.