1899, Franz Nikolaus Finck, Die araner mundart [The Aran Dialect], volume II (overall work in German), Marburg: Elwert’sche Verlagsbuchhandlung, page 31:
^ Breatnach, Risteard B. (1947) The Irish of Ring, Co. Waterford: A Phonetic Study, Dublin Institute for Advanced Studies, →ISBN, section 157, page 33
^ Ó Cuív, Brian (1968) The Irish of West Muskerry, Co. Cork: A Phonetic Study, Dublin Institute for Advanced Studies, →ISBN, section 69, page 18; reprinted 1988
^ 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], § 378 (b), page 174
^ Sommerfelt, Alf (1922) The Dialect of Torr, County Donegal, volume I: Phonology, Christiania [Oslo]: Videnskapsselskapet i Kristiania, section 32, page 15
^ 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 60, page 23; reprinted 1979
^ Hamilton, John Noel (1974) A Phonetic Study of the Irish of Tory Island, Co. Donegal (Studies in Irish Language and Literature, Department of Celtic, Q.U.B.; vol. 3), Institute of Irish Studies, The Queen’s University Belfast, page 273
^ Oftedal, M. (1956) A linguistic survey of the Gaelic dialects of Scotland, Vol. III: The Gaelic of Leurbost, Isle of Lewis, Oslo: Norsk Tidsskrift for Sprogvidenskap
^ Borgstrøm, Carl Hj. (1937) The dialect of Barra in the Outer Hebrides, Oslo: Norsk Tidsskrift for Sprogvidenskap