Volmer, Berta Bratschenschule [Música impresa] / Berta Volmer - Mainz [etc.] : Schott , cop. 1956 - v. ; 30 cm Per a viola Conté: Teil 2 Publisher. No.: ED 4614 (Vol. 2) Núm. d' editor: Subjects--Topical Terms: ViolaEstudis i exercicisDones compositoresPartitures Universal Decimal Class. No.: CONS CONS