GRAHAM, Angus. Two canals in Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 100, p. 170–178, 1969. DOI: 10.9750/PSAS.100.170.178. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8731. Acesso em: 23 apr. 2024.