- BINCHY D. A., The Old Irish Penitential, in BIELER L., The Irish Penitentials, Dublin 1963, 259-274.
- GWYNN E. J., An Irish Penitential, in Ériu VII/1914, 136-137, 139-175.
- MCNEILL J.T. - GAMER H.M., Medieval handbooks of penance: a translation of the principal “libri poenitentiales” and selections from related documents, New York 1938, 157-168.