Reid, Alan. “Churchyard Memorials of Cranston, Crichton, Blairgowrie, and Rattray; A Record and Comparison: (With Photographs by Mr James Moffat, Mr William Findlay, and Others)”. Proceedings of the Society of Antiquaries of Scotland, vol. 43, Nov. 1909, pp. 206-40, doi:10.9750/PSAS.043.206.240.