From the goldmine of University College Cork's online offerings:
Prof Donnchadh Ó Corráin's 1992 Carroll Lecture on The Early Irish Genealogical Tradition, with extensive footnotes, bibliographies and reference information for those pursuing genealogical studies of early Ireland or seeking more information thereon.
This is a fabulous source of information and a wonderful lecture on the early genealogical tradition in Ireland. FIND!
(it's a split screen so scroll top half for lecture and bottom half for notes and references).