^ Ó Cuív, Brian (1968), The Irish of West Muskerry, Co. Cork: A Phonetic Study, Dublin Institute for Advanced Studies, →ISBN, section 99, page 28; reprinted 1988
^ Ó Searcaigh, Séamus (1925), Foghraidheacht Ghaedhilge an Tuaiscirt [Pronunciation of Northern Irish][1] (in Irish), Béal Feirste [Belfast]: Brún agus Ó Nualláin [Browne and Nolan], section 108, page 49
“Feabhra”, in Historical Irish Corpus, 1600–1926, Royal Irish Academy
Dinneen, Patrick S. (1927), “Feaḃra”, in Foclóir Gaeḋilge agus Béarla, 2nd edition, Dublin: Irish Texts Society, page 430; reprinted with additions 1996, →ISBN