String Quartet No.2 in A minor,op.51,2 String quarter no.2 in a minor,op.17 String Quartet no.2 in A minor,op.51 no.2 String Quartets No.1 in C minor,op.51,1 String quartet no. 2 in A minor, op. 13 String Quartet no.8 in C minor,op.110 String quarter no.1 in a minor,op.7 String quartet no. 15 in A minor, op. 132 String quartet no. 8 in C minor, op. 110 String quartet No. 2 in A minor, op. 13