European Parliament Elections (Amendment) Act 2019, s. 7:Substitution of Third Schedule to Principal Act (No. 7 of 2019, s. 7). Enacted on 12 March 2019. Act of the Oireachtas.Retrieved from Irish Statute Bookon 21 May 2022.
Mark Hennessy and Michael O'Regan (15 June 2004). "'A very bad performance' -Ahern". The Irish Times. Archived from the original on 11 October 2012. Retrieved 20 February 2008.
Falkiner, Caesar Litton (1902). "The Counties of Ireland: An Historical Sketch of Their Origin, Constitution, and Gradual Delimitation (1902–1904)". Proceedings of the Royal Irish Academy, Section C. 24: 184–5. JSTOR25502712.
Briggs, Keith (2009). "Clare, Clere, and Clères"(PDF). Journal of the English Place-name Society (41): 14. Archived(PDF) from the original on 2 April 2015. Retrieved 4 March 2015.
Gratton-Flood, W.H. (1 March 1907). "The Twelve Apostles of Erin". The Catholic Encyclopedia. I. New York: Robert Appleton Company. Archived from the original on 7 April 2017. Retrieved 9 February 2008.
Briggs, Keith (2009). "Clare, Clere, and Clères"(PDF). Journal of the English Place-name Society (41): 14. Archived(PDF) from the original on 2 April 2015. Retrieved 4 March 2015.
"Neolithic Sites in Ireland". MyGuideIreland.com. Archived from the original on 7 October 2008. Retrieved 4 October 2008. Retrieved on 2 October 2008.
"The Arrival of the Celts". WesleyJohnston.com. Archived from the original on 12 November 2012. Retrieved 4 October 2008. Retrieved on 2 October 2008.
"Before there were Counties". RootsWeb.com. Archived from the original on 20 September 2008. Retrieved 4 October 2008. Retrieved on 2 October 2008.
Mark Hennessy and Michael O'Regan (15 June 2004). "'A very bad performance' -Ahern". The Irish Times. Archived from the original on 11 October 2012. Retrieved 20 February 2008.
Gratton-Flood, W.H. (1 March 1907). "The Twelve Apostles of Erin". The Catholic Encyclopedia. I. New York: Robert Appleton Company. Archived from the original on 7 April 2017. Retrieved 9 February 2008.