Brydall, Robert. “Notices (1) of an Incised Sepulchral Slab at Ardchattan Priory; And (2) of Three Carved Slabs at Taynuilt, Argyllshire”. Proceedings of the Society of Antiquaries of Scotland, vol. 35, Nov. 1901, pp. 94-97, doi:10.9750/PSAS.035.94.97.