o this there are three monthly
magazines wholly in Breton. The first is _Ar Vro_, edited by the poet
Jaffrennou, and in 1908 in its fifth year. The second is _Dihunamb_,
written in the dialect of Vannes and started in 1905. The third is
_Feiz ha Breiz_, started 1899.

AUTHORITIES FOR BRETON.--For the external history of Breton see H.
Zimmer, "Die keltische Bewegung in der Bretagne," _Preussische
Jahrbucher_ for 1899, xcix. 454-497. For Old and Middle Breton, J.
Loth, _Chrestomathie bretonne_ (Paris, 1890), and the same writer's
_Vocabulaire vieux-breton_ (Paris, 1884). Loth and E. Ernault have
been indefatigable in investigating the history of the language. Their
numerous contributions are mainly to be found scattered through the
_Revue celtique, Zeitschrift fur celtische Philologie_ and the
_Annales de Bretagne_. Ernault has also published _Glossaire
moyen-breton_ in 2 vols. (Paris, 1895-1896); _Dictionnaire
etymologique du moyen-breton_ (Paris, 1888). Another etymological
dictionary was published by V. Henry (Paris, 1900). Grammars,
&c.:--Dialect of Leon: Legonidec, _Grammaire celto-bretonne_ (Paris,
1807, 1838[2], also contained in H. de la Villemarque's edition of
Legonidec's Dictionary); F. Vallee, _Lecons elementaires de grammaire
bretonne_ (St Brieuc, 1902); E. Ernault, _Petite Grammaire bretonne_
(St Brieuc, 1897, the latter also takes account of the dialects of
Treguier and Cornouailles). Dialect of Treguier: L. le Clerc,
_Grammaire bretonne_ (St Brieuc, 1908); J. Hingant, _Elements de la
grammaire bretonne_ (Treguier, 1868); P. le Roux, "Mutations et
assimilations de consonnes dans le dialecte armoricain de Pleubian,"
_Annales de Bretagne_, xii. 3-31. Dialect of Vannes: A. Guillevic and
P. le Goff, _Grammaire bretonne du dialecte de Vannes_ (Vannes, 1902);
_Exercises sur la grammaire bretonne_ (Vannes, 1903); H. d'Arbois de
Jubainville, "Etude phonetique sur le dialecte breton de Vannes,"
_Revue celtique_, i. 85 ff. 211 ff.; E. Ernault, "Le Dialecte
vannetais de Sarzeau," _Rev. celt._ iii. 47 ff., 232 ff.; J. Guillome,
_Grammaire francaise-bretonne_ (Vannes, 1836). As a curiosity we
mention P. Treasure, _An Introduction to Breton Grammar_ (Carmarthen,
1903). Dictionaries: Legonidec, _Dictionnaire francais-breton_ (St
Brieuc, 1847), _Breton-Francais_ (St Brieuc, 1850), both republished
by de la Villemarque and representing the Leon dialect;