^ Breatnach, Risteard B. (1947) The Irish of Ring, Co. Waterford: A Phonetic Study, Dublin Institute for Advanced Studies, →ISBN, section 44, page 11
^ Ó Cuív, Brian (1968) The Irish of West Muskerry, Co. Cork: A Phonetic Study, Dublin Institute for Advanced Studies, →ISBN, section 372, page 116; reprinted 1988
^ Ó Sé, Diarmuid (2000) Gaeilge Chorca Dhuibhne [The Irish of Corkaguiny] (in Irish), Institiúid Teangeolaíochta Éireann [Linguistics Institute of Ireland], →ISBN, section 47, page 47
^ de Bhaldraithe, Tomás (1977) Gaeilge Chois Fhairrge: An Deilbhíocht [The Irish of Cois Fharraige: Accidence] (in Irish), 2nd edition, Institiúid Ard-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies], page 349
^ Mhac an Fhailigh, Éamonn (1968) The Irish of Erris, Co. Mayo: A Phonemic Study, Dublin Institute for Advanced Studies, section 128, page 30
^ Stockman, Gerard (1974) The Irish of Achill, Co. Mayo (Studies in Irish Language and Literature, Department of Celtic, Q.U.B.; vol. 2), Institute of Irish Studies, The Queen’s University of Belfast, section 221, page 22
^ Lucas, Leslie W. (1979) Grammar of Ros Goill Irish Co. Donegal (Studies in Irish Language and Literature, Department of Celtic, Q.U.B.; vol. 5), Institute of Irish Studies, The Queen’s University of Belfast, page 270
^ Wagner, Heinrich (1959) Gaeilge Theilinn: Foghraidheacht, Gramadach, Téacsanna [The Irish of Teelin: Phonetics, Grammar, Texts] (in Irish), Institiúid Ard-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies], section 194, page 70; reprinted 1979