String quartet no. 10 in E flat, op. 74 "Harp" String quartet no. 12 in E flat, op. 127 String quartet no. 6 in B flat, op. 18 no. 6 String quartet no. 10 E-flat major, op. 74 "Harp." String quartet no. 15 in A minor, op. 132 String quartet no. 1 in F major, op. 18/1 String quartet no. 1 in F, op. 18 no. 1 String quartet no. 16 in F major, op. 135 String quartet no. 16 in F, op. 135 String quartet no. 1 in E flat major, op. 12