1-7. Quartet in C sharp minor op. 131 5-11. Quartet in C sharp minor, op. 131 Quartet in C sharp minor op. 131 Quartet in C sharp minor,op.131 Quartett in C sharp minor op.131 String Quartet in C Sharp Minor Op. 131 String Quartet in F sharp minor, op.121 String Quartet in C sharp minor,Op.131 1-5. Quartet in A minor, op. 132 String quartet no. 14 in C sharp minor, op. 131