String quartet No.1 in C major, op.49 String Quartet No.1 in C major,op.49 String quartet No. 1 in C major, op. 49 String Quartet no.1 in D major, op.11 String Quartet No.1 in C Major Op.49 String Quartet No.1 in C major,Op.49 String Quartet No.1 in D major, op.11 String quartet No 1 in D major op. 35 String quartet No.2 in A major, op.68 String quartet No.3 in F major, op.73