Jean Le Dû, « Revivalists and native speakers in Brittany and in Ireland: a paradoxical misunderstanding », en Cathinka Hambro, Lars Ivar Widerøe, Lochlann: festskrift til Jan Erik Rekdal på 60-årsdagen = aistí in ómós do Jan Erik Rekdal ar a 60ú lá breithe, Oslo, Hermes, 2013, 365 p. lenn enlinenn, p.xa0331-343