[Chopin Etude]
Op. 25/4 B. 78 Étude in A minor
Op. 25/5 B. 78 Étude in E minor
Op. 25/6 B. 78 Étude in G-sharp minor
Op. 25/8 B. 78 Étude in D-flat major
Op. 25/9 B. 78 Étude in G-flat major
Op. 25/10 B. 78 Étude in B minor
1832-34 (jan 1, 1832 – jan 1, 1834)