10. X.
Newlov :

Cis^m Etude genau bis E^d Repetition[;] Fm u. Am v. Chopin.

October 10, [1912]
Newlov :

Cě minor Etude accurate as far as the E major repetition; Chopin F minor and A minor.

10. X.
Newlov :

Cis^m Etude genau bis E^d Repetition[;] Fm u. Am v. Chopin.

October 10, [1912]
Newlov :

Cě minor Etude accurate as far as the E major repetition; Chopin F minor and A minor.