Kevin wa Glendalough
MacShamhrain, A.S. "The 'unity' of Cóemgen and Ciarán. A convent between Glendalough and Clonmacnoise in the tenth to eleventh centuries." In Wicklow: history and society: interdisciplinary essays on the history of an Irish county, ed. by Ken Hannigan and William Nolan. Dublin: Geography Publications, 1994. 139-50.