BLACK, George F. Report on the Antiquties found in Scotland, and preserved in the British Museum, &c., London, and in the Museum of Science and Art, Edinburgh; obtained under the Jubilee Gift of His Excellency Dr. R. H. Gunning, F.S.A. Scot. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 27, p. 347–368, 1893. DOI: 10.9750/PSAS.027.347.368. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6522. Acesso em: 7 may. 2024.