Nocturne No. 7 in C sharp minor, op. 27 No. 1 Nocturne no. 1 in E flat minor, op. 33 no. 1 Polonaise No. 1 in C sharp minor, op. 26 no. 1 Nocturne NO. 1 in B flat minor, op. 9 No. 1 Nocturne No. 20 in C sharp minor, op. post. Nocturne no. 13 in C minor, op. 48 no. 1 Etude in C sharp minor, op. 2 no. 1 Nocturne No. 11 in G minor, op. 37 No. 1 Nocturne No. 20 in C-sharp minor, op. posth Piano sonata no. 14 in C-sharp minor, op. 27 no. 2