1"The Sons of Mil." Mythical Ireland - Newgrange, Ancient Sites, Myths, Mysteries, Tours and Astronomy. Web. 09 Mar. 2011. <http://www.mythicalireland.com/mythology/tain/sonsofmil.html>.
A translation from the original text appears here (Section VIII, "The Sons of Mil." 31, para. 386).
It is understood by historians, in all these cases, that the place name was extant, and the person or thing connected to it was invented by the etymologizer.

2"Eightercua." Wikipedia, the Free Encyclopedia. Web. 09 Mar. 2011. <http://en.wikipedia.org/wiki/Eightercua>.

3The Biographical Dictionary of the Society for the Diffusion of Useful Knowledge. London: Longman, Brown, Green, and Longmans, 1842. 456-57.

4"Lebor Gabála Érenn." Wikipedia, the Free Encyclopedia. Web. 09 Mar. 2011. <http://en.wikipedia.org/wiki/Lebor_Gabála_Érenn>.

5"Schools MS #476." Schools' Folklore Scheme. The Irish Folklore Commission. 1937-38.

6Henry, F. "Early Monasteries, Beehive Huts, and Dry-Stone Houses in the Neighbourhood of Caherciveen and Waterville (Co. Kerry)." Proceedings of the Royal Irish Academy. Section C, Vol. 58, (1956/1957). 140-41.

7Lynch, P. J. "Some of the Antiquities around Ballinskelligs Bay, County Kerry." The Journal of the Royal Society of Antiquaries of Ireland, Fifth Series, Vol. 32, No. 4, 1902. 331-33.

8Lynch 332-33.

9Cross, Tom Peete, and Clark Harris. Slover. Ancient Irish Tales. New York: H. Holt, 1936. 21.

10Bushe, Paddy. "Scéine's Reply to Aimherigin." The Poetry Ireland Review, No. 65, Summer, 2000. 8.