Keating, Geoffrey, with David Comyn and Patrick S. Dinneen (trans.), The History of Ireland by Geoffrey Keating. 4 Vols. London: David Nutt for the Irish Texts Society. 1902-14.
MacKillop, James, A Dictionary of Celtic Mythology. Oxford. 1998.
O'Grady, Standish H. (ed. and tr.), "Death of Crimthann son of Fidach, and of Eochaidh Muighmedóin's three sons: Brian, Ailill, Fiachra", in Silva Gadelica Williams and Norgate. 1892. Pages 373-8. (also available here)
O'Grady, Standish H. (ed. and tr.), "The Story of Eochaidh Muighmedóin's Sons", in Silva Gadelica Williams and Norgate. 1892. Pages 368-73.
O'Rahilly, Thomas F., Early Irish History and Mythology. Dublin Institute for Advanced Studies. 1946.
Stokes, Whitley (ed. and tr.), "Aided Chrimthaind Maic Fhidaig: The Death of Crimthann mac Fidaig", in Revue Celtique 24. 1903. Pages 172-189.
Stokes, Whitley (ed. and tr.), "Echtra Mac nEchach Muigmedóin: The Adventures of the Sons of Eochaid Muigmedóin", in Revue Celtique 24. 1903. Pages 190-207.