Etudes Op. 10: No. 11 in E-flat major / No. 12 in C minor

1 Etudes Op. 10: No. 1 in C major / No. 2 in A minor
2 Etudes Op. 10: No. 3 in E major / No. 4 in C-sharp minor
3 Etudes Op. 10: No. 5 in G-flat major / No. 6 in E-flat minor
4 Etudes Op. 10: No. 7 in C major / No. 8 in F major
5 Etudes Op. 10: No. 9 in F minor / No. 10 in A-flat major
6 Etudes Op. 10: No. 11 in E-flat major / No. 12 in C minor
7 Etudes Op. 25: No. 1 in A-flat major / No. 2 in F minor
8 Etudes Op. 25: No. 3 in F major / No. 4 in A minor
9 Etudes Op. 25: No. 5 in E minor / No. 6 in G-sharp minor
10 Etudes Op. 25: No. 7 in C-sharp minor / No. 8 in D-flat major
11 Etudes Op. 25: No. 9 in G-flat major / No. 10 in B minor
12 Etudes Op. 25: No. 11 in A minor / No. 12 in C minor