Coba jelasin Catatan dari Giric dong

Dauvit Broun, "Giric, King of Picts" in John Cannon (ed.) The Oxford Companion to British History. Oxford University Press, Oxford, 1997.

Thomas Owen Clancy, "Scottish Saints and National Identities in the Early Middle Ages" in Alan Thacker & Richard Sharpe (eds), Local Saints and Local Churches in the Early Medieval West. Oxford University Press, Oxford, 2002.

A.A.M. Duncan, The Kingship of the Scots 842–1292: Succession and Independence. Edinburgh University Press, Edinburgh, 2002.

Hudson, Benjamin T., The Prophecy of Berchán: Irish and Scottish High-Kings of the Early Middle Ages. Greenwood, London, 1996.

Alfred P. Smyth, Warlords and Holy Men: Scotland AD 80–1000. E.J. Arnold, London, 1984 (reprinted Edinburgh UP).

Ann Williams, Alfred P. Smyth & D.P. Kirby, A Biographical Dictionary of Dark-Age Britain. Seaby, London, 1991.