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, 102–111.