EDWARDS, Arthur J H. Excavation of a Chambered Cairn at Ham, Caithness, and of a Hut-Circle and Two Earth-Houses at Freswick Links, Caithness: With a Note on a Winged Horse carved on one of the Lintels in the Earth-House at Crichton Mains, Midlothian. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 59, p. 85–95, 1925. DOI: 10.9750/PSAS.059.85.95. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7641. Acesso em: 19 apr. 2024.