Kullak, Theodor Études d' octaves : Op. 48 [Música impresa] / Th. Kullak - Moscou : P. Jurgenson , [s.a.] - 31 p. ; 35 cm Per a piano Publisher. No.: 6028 Subjects--Topical Terms: Estudis i exercicisPianoPartitures Universal Decimal Class. No.: CONS pn Kull /5