Ende April [1916]:
Kaposi :

Chopin: Etude Cm aus op. 10, neu; die früheren Etuden wiederholt.

© Transcription Robert Kosovsky, 2007


mid-March to end of April [1916]:
Kaposi :

Chopin: Etude in C minor from Op. 10, new; the earlier etudes revisited.

© Translation Ian Bent, 2020


Ende April [1916]:
Kaposi :

Chopin: Etude Cm aus op. 10, neu; die früheren Etuden wiederholt.

© Transcription Robert Kosovsky, 2007


mid-March to end of April [1916]:
Kaposi :

Chopin: Etude in C minor from Op. 10, new; the earlier etudes revisited.

© Translation Ian Bent, 2020