Quartet in E falt major,op.74 "Harp" Quartet in B flat major,op.130 Quartet in E flat major,op.127 Quartett in E major op.74 'Harp' String Quartet in E flat major, Op.74"Harp" Quartet in F major,op.135 String Quartet in B flat major,Op.76 No.4 String Quartet in E flat major,Op.76 No.6 String Quartet in E flat major,op.20 no.1 String Quartet No.10 in E flat major,Op.74 'Harp'