Mapleton, R. (1871) “Notice of Remarkable Cists in a Gravel Bank near Kilmartin; and of Incised Sculpturings of Axe Heads, and other Markings on the Stones of the Cists”, Proceedings of the Society of Antiquaries of Scotland, 8, pp. 378-381. doi: 10.9750/PSAS.008.378.381.