Brezhoneg- buan hag aes = Bretonisch- schnell und mühelos /
Denez, Per.
Cornillet, Gérard.
[Lesneven] : Hor Yezh,
1995.
In Breton and German.
A Breton language course for German speakers.
Subtitle on cover: Ein Bretonisches Lehrbuch für Alle.
Breton language