Curle, A. O. (1924) “A Note on Four Silver Spoons and a Fillet of Gold found in The Nunnery at Iona; and on a Finger-ring, part of a Fillet, and a fragment of Wire, all of Gold, found in St Ronnan’s Chapel, The Nunnery, Iona”, Proceedings of the Society of Antiquaries of Scotland, 58, pp. 102–111. doi: 10.9750/PSAS.058.102.111.