I thought the Köchel-Verzeichnis is now the standard in all editions?
No. 4 in E flat major, K. 282
No. 16 in C major, K. 545
No. 5 in G major, K. 283
No. 2 in F major, K. 280
No. 1 in C major, K. 279
No. 7 in C major, K. 309
No. 9 in D major, K. 311
No. 11 in A major, K. 331
No. 17 in B flat major, K. 570
No. 3 in B flat major, K. 281
No. 10 in C major, K. 330
No. 12 in F major, K. 332
No. 15 in F major, K. 533/494
No. 8 in A minor, K. 310
No. 14 in C minor, K. 457
No. 13 in B flat major, K. 333
No. 6 in D major, K. 284
No. 18 in D major, K. 576