^ Finck, F. N. (1899), Die araner mundart [The Aran Dialect] (in German), Zweiter Band: Wörterbuch [Second volume: Dictionary], Marburg: Elwert’sche Verlagsbuchhandlung, page 141
^ 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], section 377, page 174
Dinneen, Patrick S. (1927), “oileán”, in Foclóir Gaeḋilge agus Béarla [Irish and English Dictionary], 2nd edition, Dublin: Irish Texts Society, page 812; reprinted with additions 1996, →ISBN
Ó Dónaill, Niall (1977), “oileán”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN
“island”, in New English-Irish Dictionary, Foras na Gaeilge, 2013–2026