Heller, S., & Oesterle, L. (1906). Fifty selected studies from op. 45, 46 & 47 for the piano. G. Schirmer, Inc.
Chicago Style aipamenaHeller, Stephen, and Louis Oesterle. Fifty Selected Studies from Op. 45, 46 & 47 for the Piano. New York: G. Schirmer, Inc, 1906.
MLA aipamenaHeller, Stephen, and Louis Oesterle. Fifty Selected Studies from Op. 45, 46 & 47 for the Piano. G. Schirmer, Inc, 1906.
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