CLOUSTON, Ronald W M. The bells of Perthshire: St John’s Kirk, Perth. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 124, p. 525–541, 1995. DOI: 10.9750/PSAS.124.525.541. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9510. Acesso em: 25 apr. 2024.