Piano sonata No. 4 in E-flat major k 282 Piano sonata No. 3 in B-flat major k 281 Piano sonata No. 13 in B-flat major k 333 Piano sonata No. 17 in B-flat major k 570 Piano sonata no. 11 in B-flat major, op. 22 Piano sonata No. 4 in E flat major Op. 7 Piano sonata no. 4 in E flat major, op. 7 Piano sonata no. 12 in A-flat major, op. 26 Piano sonata No. 11 in B flat major op. 22 Piano sonata No. 12 in A-flat major op. 26