Ritchie, J.N.G. 2003. James Curle (1862-1944) and Alexander Ormiston Curle (1866-1955): pillars of the establishment. Proceedings of the Society of Antiquaries of Scotland. 132, (Nov. 2003), 19–41. DOI:https://doi.org/10.9750/PSAS.132.19.41.