Curle, Alexander O. “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, vol. 58, Nov. 1924, pp. 102-11, doi:10.9750/PSAS.058.102.111.