Ball, Martin J., and James Fife. The Celtic Languages. Routledge, 1993.
Ball, Martin J., and Nicole Müller. The Celtic Languages. 2nd ed, Routledge language family series, Routledge, 2009.
Black, Ronald, et al. Celtic Connections: Proceedings of the 10th International Congress of Celtic Studies, Vol. 1: Language, Literature, History, Culture. Tuckwell Press, 1999, https://contentstore.cla.co.uk//secure/link?id=c9104c7e-c740-e911-80cd-005056af4099.
Carson, Ciaran. The Tain: A New Translation of the Tain Bó Cúailnge. Penguin, 2008.
Craig, Cairns, et al. The History of Scottish Literature. Aberdeen University Press, 1987.
Dietler, Michael. ‘Celticism, Celtitude and Celticity: The Consumption of the Past in the Age of Globalization’. Celtes et Gaulois Dans l’histoire, l’historiographie et l’idéologie Moderne.  Actes de La Table Ronde de Leipzig, 16-17 Juin 2005, edited by Sabine Rieckhoff, Bibracte, 2006, pp. 237–48, https://docs.wixstatic.com/ugd/46245e_2892ff544f3c4516a0d675dbe1870b5b.pdf.
Doyle, Aidan. A History of the Irish Language: From the Norman Invasion to Independence. First edition, Oxford University Press, 2015.
Dublin Institute for Advanced Studies. Celtica. [Dublin], 1950, https://contentstore.cla.co.uk//secure/link?id=64cedc84-c740-e911-80cd-005056af4099.
Dunne, Tom, et al. The Writer as Witness: Literature as Historical Evidence. Cork University Press, 1987, https://contentstore.cla.co.uk//secure/link?id=63cedc84-c740-e911-80cd-005056af4099.
Fraistat, Neil, and Julia Flanders. The Cambridge Companion to Textual Scholarship. Cambridge University Press, 2013, https://login.uofglasgow.idm.oclc.org/login?url=https://dx.doi.org/10.1017/CCO9781139044073. Electronic resource.
Garber, Marjorie B., et al. Field Work: Sites in Literary and Cultural Studies. Routledge, 1996, https://contentstore.cla.co.uk//secure/link?id=86837b76-c740-e911-80cd-005056af4099.
Greetham, D. C. Textual Scholarship: An Introduction. Garland Publishing, Inc, 1994, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=1111542.
Kinsella, Thomas. The Táin. Oxford University Press, 2002, https://www.vlebooks.com/vleweb/product/openreader?id=GlasgowUni&isbn=9780191506383.
Koch, John T. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
———. Celtic Culture: A Historical Encyclopedia. ABC-CLIO, 2006, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=265494. Electronic resource.
Maas, Paul, and Barbara Flower. Textual Criticism. O.U.P., 1958.
Mac Cana, Proinsias. ‘The Rise of the Later Schools of Filidheacht’. Ériu, vol. 25, 1974, pp. 126–46, https://login.uofglasgow.idm.oclc.org/login?url=https://www.jstor.org/stable/30008435.
MacAulay, Donald. The Celtic Languages. Cambridge University Press, 1992.
Mallory, J. P. Aspects of the Táin. December Publications, 1992.
National University of Ireland. Éigse. [[Dublin]], 1939, https://contentstore.cla.co.uk//secure/link?id=62cedc84-c740-e911-80cd-005056af4099.
Nic Pháidín, Caoilfhionn, and Seán Ó Cearnaigh. A New View of the Irish Language. Cois Life, 2008.
O’Rahilly, Cecile, editor. Táin Bó Cúailnge, Recension 1. Dublin Institute for Advanced Studies, 1976.
O’Rahilly, Cecile. Táin Bó Cúalnge from the Book of Leinster. Dublin Institute for Advanced Studies, 1984.
O’Rahilly, Cecile and Stowe House (Buckinghamshire). The Stowe Version of Tain Bó Cúailnge. Dublin Institute for Advanced Studies, 1961.
Reynolds, L. D., and N. G. Wilson. Scribes and Scholars: A Guide to the Transmission of Greek and Latin Literature. 3rd ed, Clarendon Press, 1991.
Russell, Paul. An Introduction to the Celtic Languages. Longman, 1995, https://contentstore.cla.co.uk/secure/link?id=05c485dc-e144-e911-80cd-005056af4099.
Tristram, Hildegard L. C. and International Congress of Celtic Studies. The Celtic Languages in Contact: Papers from the Workshop within the Framework of the XIII International Congress of Celtic Studies, Bonn, 26 - 27 July 2007. Potsdam University Press, 2007.
University of Wales. College of Aberystwyth. Department of Welsh. Cambrian Medieval Celtic Studies. [Aberystwyth], 1993, https://contentstore.cla.co.uk//secure/link?id=cb104c7e-c740-e911-80cd-005056af4099.
———. Cambrian Medieval Celtic Studies. [Aberystwyth], 1993, https://contentstore.cla.co.uk//secure/link?id=cd104c7e-c740-e911-80cd-005056af4099.
West, M. L. Textual Criticism and Editorial Technique Applicable to Greek and Latin Texts. B.G. Teubner, 1973.
Wright, Julia M. A Companion to Irish Literature. Wiley-Blackwell, 2010, https://ebookcentral.proquest.com/lib/gla/detail.action?docID=4041775.