No.7 in c shap minop,op.27 no.1 No.7 in C sharp minor, op.27 no.1 No.7 in C sharp minor Op.27 No.1 No.14 in c sharp minor op.27 No.2 No.14 in f shap minor,op.18 no.2 No.1 in b flat minor,op.9 no.1 No.7 in C sharp minor,Op.27/1 No.1 in B flat minor, op.9 no.1 No.4 in c sharp minop,op.66 Etude in C sharp minor op.25 no.7