12 Etudes, Op. 25: 24 in C Minor, Op. 25, No. 12

12 Etudes, Op. 10: 1 in C Major, Op. 10, No. 1

12 Etudes, Op. 10: 2 in A Minor, Op. 10, No. 2

12 Etudes, Op. 10: 3 in E Major, Op. 10, No. 3

12 Etudes, Op. 10: 4 in C-Sharp Minor Op. 10, No. 4

12 Etudes, Op. 10: 5 in G-Flat Major, Op. 10, No. 5, "Black Keys"

12 Etudes, Op. 10: 6 in E-Flat Minor, Op. 10, No. 6

12 Etudes, Op. 10: 7 in C Major, Op. 10, No. 7

12 Etudes, Op. 10: 8 in F Major, Op. 10, No. 8

12 Etudes, Op. 10: 9 in F Minor, Op. 10, No. 9

12 Etudes, Op. 10: 10 in A-Flat Major, Op. 10, No. 10