Dennison, E. D. (1917) “List of Prehistoric Relics found in Midlothian, as excerpted from the Catalogue of the Museum of Antiquities, Edinburgh, being an Appendix to the Chalmers-Jervise Prize Essay for 1916: To which has been added a List of other Antiquities relating to historic times, also preseved in the Museum”, Proceedings of the Society of Antiquaries of Scotland, 51, pp. 234–255. doi: 10.9750/PSAS.051.234.255.