REYNOLDS, Diana M. ’How we found a tumulus’ a story of the Orkney Islands - the journal of Lady Burroughs. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 115, p. 115–124, 1987. DOI: 10.9750/PSAS.115.115.124. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9205. Acesso em: 13 jul. 2024.