OLIVER, F S; CALLANDER, J Graham. The Excavation of Two Cairns on the Knock Hills, Edgerston, Roxburghshire: With a Report on the Relics found. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 63, p. 372–377, 1929. DOI: 10.9750/PSAS.063.372.377. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7765. Acesso em: 26 apr. 2024.