mac Cuilennáin, Cormac. Sanas C(h)ormaic (Cormac’s Narrative, or Cormac’s Glossary). Ninth/Tenth Century AD:

‘Sanas Cormaic: Book of Leinster fragment, p780-781’ at Academy for Ancient Texts. Ancient texts library.
http://www.ancienttexts.org/library/celtic/ctexts/sanas_cormaic_leinster.html

‘Sanas Cormaic: Cormac’s Glossary [Leabhar Brecc: RIA MS. 23 P 16]’ at Academy for Ancient Texts. Ancient texts library.
http://www.ancienttexts.org/library/celtic/ctexts/sanas_cormaic.html

‘Sanas Cormaic, version H¹a’ at (The) Department of Anglo-Saxon, Norse & Celtic (University of Cambridge), 2016.
https://www.asnc.cam.ac.uk/irishglossaries/texts.php?versionID=15

‘Sanas Cormaic, version H¹b’ at (The) Department of Anglo-Saxon, Norse & Celtic (University of Cambridge), 2016.
https://www.asnc.cam.ac.uk/irishglossaries/texts.php?versionID=16

‘Sanas Cormaic, version K’ at (The) Department of Anglo-Saxon, Norse & Celtic (University of Cambridge), 2016.
https://www.asnc.cam.ac.uk/irishglossaries/texts.php?versionID=18

‘Sanas Cormaic, version Y’ at (The) Department of Anglo-Saxon, Norse & Celtic (University of Cambridge), 2016.
https://www.asnc.cam.ac.uk/irishglossaries/texts.php?versionID=9

O'Donovan, John, ed and tr, and Stokes, Whitley, ed. Sanas Chormaic: Cormac’s Glossary. Calcutta: O T Cutter, 1868.
https://ia800904.us.archive.org/11/items/sanaschormaicco00stokgoog/sanaschormaicco00stokgoog.pdf