- BREATNACH L., A companion to the Corpus iuris Hibernici, Dublin 2005, 202-204.
- KENNEY J., The Sources for the Early History of Ireland: Vol. I Ecclesiastical, Dublin 1929, 156-287.
- NÍ DHONNCHADHA M., The Law of Adomnán: a translation, in O'LOUGHLIN T., Adomnán at Birr, AD 697. Essays in commemoration of the Law of the Innocents, Dublin 2001, 13-32.
- NÍ DHONNCHADHA M., The guarantor list of Cáin Adomnáin, 697, in Peritia I/1982, 178–215.
- VERNAM H., Varia linguistica Hibernica, in MEID W., Beiträge zur Indogermanistik und Keltologie: Julius Pokorny zum 80. Geburtstag gewidmet, Innsbruck 1967, 175–178.
- VOGEL C., Les “Libri Paenitentiales”, Turnhout 1978, 64.