SCOTT, W H. Notice of the Ancient Die of a Scottish Coin found near Pittencrieff, recently presented to the Museum. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 2, p. 52–55, 1856. DOI: 10.9750/PSAS.002.52.55. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4389. Acesso em: 5 may. 2024.