Óengus of Tallaght (1905). Stokes, Whitley (ed.). The Martyrology of Oengus the Culdee. Henry Bradshaw Society. Vol. 29. London. {{cite book}}: Unknown parameter |editorlink= ignored (|editor-link= suggested) (help)CS1 maint: location missing publisher (link) CS1 maint: postscript (link)