Originalus: Heller - Selected Piano Studies, Opus 45 & 46. Stephen Heller. Piano Method sheet music. Piano Solo sheet music. Intermediate. 1813-1888.
Vertimas: Heller - Pasirinkti Piano Tyrimai, Opus 45. Virpantis Vandenys. Pianinas metodas natos. Pianinas Pavieniai natos. Tarpinis.