Ewart, E. and Curle, A. (1908) “Notice of the Examination of a Cairn and Interments of the Early Iron Age at the Black Rocks, Gullane, Haddingtonshire, on 14th March, 1908”, Proceedings of the Society of Antiquaries of Scotland, 42, pp. 332-341. doi: 10.9750/PSAS.042.332.341.