“Notice of Kitchen-midden Deposits on North Berwick Law, and other Antiquities in the vicinity of North Berwick; with a Note of an Undescribed Sculptured Stone, with Symbols, in the Island of Raasay” (1907) Proceedings of the Society of Antiquaries of Scotland, 41, pp. 424–436. doi:10.9750/PSAS.041.424.436.