O cathasaigh, Tomas2010-06-292002Ó Cathasaigh, Tomás. 2002. The oldest story of the Laigin: Reflections on Orgain Denna Rig. Éigse 33: 1-18.0013-2608http://nrs.harvard.edu/urn-3:HUL.InstRepos:4266474en-USJournal Article