This joint edition of Dr. Delaporte's two smal dictionaries : Breton-English and English-Breton is brought out by Mouladurioù Hor Yezh, Lesneven.
With only 6 500 headwords, the first dictionary was somewhat slender than its English-breton counterpart.
Divi Kervella and Kristian Brisson expanded it to the same size of 9 000 items for this edition.