Original tekst: Pathways to Artistry -- Masterworks, Book 1. Etude in C, Op. 823, No. 11. Etude in C, Op. 823, No. 11. Piano Solo sheet music.
Oversættelse: Veje til Artistry - Masterworks, Bog 1. Etude i C, Op. 823, nr. 11. Etude i C, Op. 823, nr. 11. Piano Method noder.