Original Celtic Irish texts (over the Net)

The Cattle-Raid of Cooley (Táin Bó Cúalnge) - Bilingual Edition
This HTML edition pairs an adaptation of the English translation of Joseph Dunn (1914) with the Irish transcription of Ernst Windisch (1905.)

http://vassun.vassar.edu/~sttaylor/Cooley/

The Book of Invassions
http://www.ncf.carleton.ca/~dm371/mil.html
(Though Carleton credentials are needed to access this page, it can be reached by trying Google's cache) :D

Regards,
Paola