- BINCHY D. A., The Old-Irish Table of Penitential Commutations, in BIELER L., The Irish Penitentials, Dublin 1963, 277-278, 282-283.
- BINCHY D. A., The Old-Irish Table of Penitential Commutations, in Ériu XIX/1962, 47-56, 68-72.
- VOGEL C., Les “Libri Paenitentiales”, Turnhout 1978, 73.