Jaski, Bart (2005). "Kings and kingship". In Duffy, Seán (ed.). Medieval Ireland: An Encyclopedia. Routledge. pp. 417–422. ISBN978-1-135-94824-5. Archived from the original on 26 February 2017. Retrieved 15 October 2016.
Cusack, Mary (1868). "Mission of St Palladius". An Illustrated History of Ireland. Irish National Publications. Archived from the original on 12 April 2020. Retrieved 27 February 2018 – via LibraryIreland.com.
Ginnell, Laurence (1894). "Chapter VIII: Leges Minores". The Brehon Laws: A Legal Handbook. Library Ireland. Archived from the original on 12 September 2016. Retrieved 14 September 2016.
Ginnell, Laurence (1894). "Chapter V: Classification of Society". The Brehon Laws: A Legal Handbook. Library Ireland. Archived from the original on 17 March 2016. Retrieved 14 September 2016.
Jaski, Bart (2005). "Kings and kingship". In Duffy, Seán (ed.). Medieval Ireland: An Encyclopedia. Routledge. pp. 417–422. ISBN978-1-135-94824-5. Archived from the original on 26 February 2017. Retrieved 15 October 2016.
Cusack, Mary (1868). "Mission of St Palladius". An Illustrated History of Ireland. Irish National Publications. Archived from the original on 12 April 2020. Retrieved 27 February 2018 – via LibraryIreland.com.
Ginnell, Laurence (1894). "Chapter VIII: Leges Minores". The Brehon Laws: A Legal Handbook. Library Ireland. Archived from the original on 12 September 2016. Retrieved 14 September 2016.
Ginnell, Laurence (1894). "Chapter V: Classification of Society". The Brehon Laws: A Legal Handbook. Library Ireland. Archived from the original on 17 March 2016. Retrieved 14 September 2016.