FRAZER, William. Notes on Incised Sculpturings on Stones in the Cairns of Sliabh-na-Calliaghe, near Loughcrew, County Meath, Ireland, with Illustrations from a series of Ground-Plans and Water-Colour Sketches, by the late G V Du Noyer,of the Geological Survey of Ireland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 27, p. 294–340, 1893. DOI: 10.9750/PSAS.027.294.340. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6520. Acesso em: 7 may. 2024.