Alexander Carmichael's Carmina Gadelica - Prayers, blessings and invocations collected by the Scottish folklorist Alexander Carmichael in the Western Isles in the 19th century. www.smo.uhi.ac.uk/gaidhlig/corpus/Carmina
How the Irish Were Saved - Issue of Christian History focuses on the conversion of Ireland, and Celtic Christianity from the fifth to the eighth century. Short popularizing articles. www.christianitytoday.com/ch/60h
Lisa Bitel, University of Kansas - Bitel is one of the leading American historians of Celtic Christianity. falcon.cc.ukans.edu/~lbitel