Jervise, A. 1859. Notices of the Localities of the Sculptured Stone Monuments at St Bigeans, Inchbrayoch, Pitmuies, and Menmuir, in Angus, and of Fordoun in the Mearns. Part IV. Proceedings of the Society of Antiquaries of Scotland. 2, (Nov. 1859), 458–466. DOI:https://doi.org/10.9750/PSAS.002.458.466.