ARNOLD, C J. Fragments of bone combs from Papa Westray, Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 106, p. 210–211, 1977. DOI: 10.9750/PSAS.106.210.211. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8928. Acesso em: 6 may. 2024.