String Quartet no.3 in B flat major,op.67 String quartets No.3 in B flat major,op.67 String quartet No.9 in E flat major, op.117 String quartet No.5 in B flat major, op.92 String quartet no. 1 in E flat major, op. 12 String Quartet in B flat major,op.67 String Quartet No.3 in E flat minor,op.30 String quartet no. 13 in B-flat major, op. 130 String quartet no. 12 in E-flat major, op. 127 String Sextet no.1 in B flat major,op.18