THOMAS, F W L. Ancient Valuation of Land in the West of Scotland: Continuation of ’What is a Pennyland?’. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 20, p. 200–213, 1886. DOI: 10.9750/PSAS.020.200.213. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6194. Acesso em: 8 may. 2024.