CRUDEN, Stewart H. The Horizontal Water-Mill at Dounby, on the Mainland of Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 81, p. 43–47, 1949. DOI: 10.9750/PSAS.081.43.47. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8274. Acesso em: 5 may. 2024.