No.4 in c sharp minop,op.66 No.20 in c sharp minor,op.posth No.7 in c shap minop,op.27 no.1 No.14 in F sharp minor.Op.48/2 No.14 in c sharp minor op.27 No.2 Inpromptu no.4 in C sharp minor, op.66 No.14 in F sharp minor, op.48 no.2 Prelude in C sharp minor,op.45 Scherzo in C sharp minor,op.39 Prelude in c sharp minor op.45