CALLANDER, J Graham. A Flint Workshop on the Hill of Skares, Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 51, p. 117–127, 1917. DOI: 10.9750/PSAS.051.117.127. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7411. Acesso em: 8 may. 2024.