Sy abl fodd Sibli fain: Sibyl in Medieval Wales

Haycock, Marged, 'Sy abl fodd Sibli fain: Sibyl in Medieval Wales', In: Heroic Poets and Poetic Heroes in Celtic Tradition, Joseph Falaky Nagy and Leslie Ellen Jones (eds), (Dublin: Four Courts Press), pp.115-130, 2005 RAE2008

Welsh Walter of Henley

Falileyev, A. (Ed.). (2006). Welsh Walter of Henley. Mediaeval and Modern Welsh series, 12. Dublin: School of Celtic Studies, Dublin Institute for Advanced Studies. RAE2008

Catalogue of Irish Manuscripts in Villanova University, Pennsylvania

RAE2008