Reid, A. (1909). 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, 43, 206–240. https://doi.org/10.9750/PSAS.043.206.240