Izvornik: Burgmuller, Czerny & Hanon -- Piano Studies Selected for Technique and Musicality, Volume 1. Piano Method sheet music. Intermediate.
Prijevod: Burgmüllera, Czerny. Burgmuller, Czerny. Klavir Metoda note. Piano Solo note. Srednji. Uredio Ingrid Jacobson Clarfield. Za Piano.