String quartets No 13 in B flat, Op. 130 String quartet no. 12 in E flat, op. 127 String quartets No 12 in E flat, Op. 127 String quartet No.13 in B flat Op.130 String Quartet No.13 in B flat Op.130 String Quartet No.13 in B flat,Op.130 String quartet no. 13 in B-flat major, op. 130 String quartet in B-flat, op. 130 String quartet no. 15 in A minor, op. 132 String quartet no. 16 in F major, op. 135