PIGGOTT, Cecily Margaret; PLATT, M I; ORR, M Y; WALLIS, F S; HALLIMOND, A F. The excavations at Hownam Rings, Roxburghshire, 1948. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 82, p. 193–225, 1950. DOI: 10.9750/PSAS.082.193.225. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8305. Acesso em: 26 apr. 2024.