Pacher, J. A. Octaves : Op. 29, Nº 11 [Música impresa] / J. A. Pacher - Paris : Alphonse Leduc , cop. 1913 - 3 p. ; 36 cm - Petit Gradus ad Parnassum . Études instructives ; No. 22 . Per a piano Publisher. No.: A. L. 15,362 Subjects--Topical Terms: Estudis i exercicisPianoPartitures Universal Decimal Class. No.: CONS pn Pac /1