String quartet Op.18 no.6 in B flat major String quartet op. 2 no. 3 in E flat major String Quartet No.6 in B flat major String quartet op. 6, 2, a flat major String Quartet No.3 in E flat major String Quartet Op.18 No.5 in A major String quartet op. 14 in F major String Quartet in B flat major String quartet No. 1 in D major String quartet no. 2 in D major