“Churchyard Memorials of Cranston, Crichton, Blairgowrie, and Rattray; a Record and Comparison: (With Photographs by Mr James Moffat, Mr William Findlay, and others)” (1909) Proceedings of the Society of Antiquaries of Scotland, 43, pp. 206–240. doi:10.9750/PSAS.043.206.240.