Mackenzie, W. (1908) “Notices (1) of a Cist, with ’Food-vessel’ Urn, at Easter Moy: and (2) of a Prehistoric Cairn on Callachy Hill, in the Black Isle, Ross-shire, with Plan and Section”., Proceedings of the Society of Antiquaries of Scotland, 42, pp. 66–73. doi: 10.9750/PSAS.042.66.73.