Ó Cróinín (Dáibhí) (ed.), Walsh (Maura) (ed.): Cummian’s letter De controversia Paschali / edited by Maura Walsh and Dáibhí Ó Cróinín; together with a related Irish computistical tract De ratione conputandi edited by Dáibhí Ó Cróinín.
ST, 86. Toronto: Pontifical Institute of Mediaeval Studies, 1988. 264 pp.
Rev. by
T. M. Charles-Edwards, in Peritia 8 (1994), pp. 216-220.
Máire Herbert, in IR 44/1 (Spring, 1993), pp. 109-111.
Stephen McCluskey, in Speculum 65/4 (Oct., 1990), pp. 1077-1078.