| Köchel | Date | Location | Work | Key |
| 401 |
1782 | Vienna | Fugue for Piano | G minor |
| 402 | 1782 | Vienna | Sonata for Piano & Violin (Fragment) | A Major |
| 403 | 1782 | Vienna | Sonata for Piano & Violin (Fragment) | C Major |
| 404 | 1782 | Vienna | Andante & Allegretto for Piano & Violin (Fragment) | C Major |
| 404a | 1782 | Vienna | 6 Preludes to Fugues by J.S. & W.F. Bach for String Trio | . |
| 405 | 1782 | Vienna | 5 Fugues by Bach arranged for String Quartet | . |
| 406 | 1787 | Vienna | Quintet for Strings arranged from K.388 | C minor |
| 407 | 1782 | Vienna | Quintet for Horn & Strings | E Flat Major |
| 408 |
1782 | Vienna | 3 Marches for Orchestra | . |
| 409 | 1782 | Vienna | Minuet to a Symohony | C Major |
| 410 | 1783 | Vienna | Adagio for 2 Basset Horns & Bassoon | F Major |
| 411 | 1783 | Vienna | Adagio for 2 Clarinets & 3 Basset Horns | F Major |
| 412 |
1782 | Vienna | Concerto for Horn | D Major |
| 413 | 1782, 1783 | Vienna | Concerto for Piano No. 11 (See K. 624) | F Major |
| 414 | 1782 | Vienna | Concerto for Piano No. 12 (See K. 624) | A Major |
| 415 | 1782, 1783 | Vienna | Concerto for Piano No. 13 (See K. 624) | C Major |
| 416 | 1783 | Vienna | Scena & Ronda for Soprano `Mia speranza adorata' | . |
| 417 | 1783 | Vienna | Concerto for Horn | E Flat Major |
| 418 | 1783 | Vienna | Aria for Soprano `Vorrei spiegarvi, oh Dio' | . |
| 419 | 1783 | Vienna | Aria for Soprano `No, no, che non sei capace' | . |
| 420 | 1783 | Vienna | Aria for Tenor `Per pieta, non ricercate' | . |
| 421 | 1783 | Vienna | Quartet for Strings No. 15 | D minor |
| 422 | 1783 | Salzburg | Opera buffa `L'oca del Cairo' (Fragment) | . |
| 423 | 1783 | Salzburg | Duo for Violin & Viola | G Major |
| 424 | 1783 | Salzburg | Duo for Violin & Viola | B Flat Major |
| 425 | 1783 | Linz | Symphony No. 36 | C Major |
| 426 | 1783 | Vienna | Fugue for 2 pianos | C minor |
| 427 | 1782, 1783 | Vienna | Mass | C minor |
| 428 | 1783 | Vienna | Quartet for Strings No. 16 | E Flat Major |
| 429 | 1783 | Vienna | Cantata `Dir, Seele des Weltalls' | . |
| 429a | 1783 | Vienna | Cantata `Dir, Seele des Weltalls' with Piano | . |
| 430 | 1783 | Salzburg | Opera buffa `Lo sposo deluso' (Fragment) | . |
| 431 | 1783 | Vienna | Recitative & Aria for Tenor `Misoro! o sogno!' | . |
| 432 | 1783 | Vienna | Recitative & Aria for Bass `Cosi dunque tradisci' | . |
| 433 |
1783 | Vienna | Arietta for Bass `Maenner suchen stets' | . |
| 434 | 1783 | Salzburg | Terzetto `Del gran regno delle Amazoni' | . |
| 435 | 1783 | Vienna | Aria for Tenor `Muesst ich auch' | . |
| 436 |
1783 | Vienna | Notturno for 2 Sopranos & Bass `Ecco quel fiero istante' | . |
| 437 |
1783 | Vienna | Notturno for 2 Sopranos & Bass `Mi lagnero tacendo' | . |
| 438 |
1783 | Vienna | Notturno for 3 Voices `Se lontan ben mio, tu sei' | . |
| 439 |
1783 | Vienna | Notturno for 2 Sopranos & Bass `Due pupille amabile' | . |
| 440 | 1782 | Vienna | Aria for Soprano `In te spero o sposo' | . |
| 441 | 1783 | Vienna | Terzetto `Liebes Mandel, wo is's Bandel' | . |
| 442 |
1783 | Vienna | Trio for Piano, Violin & Cello (incomplete) | D minor |
| 443 | 1782 | Vienna | Fugue in 3 vocal parts (Fragment) | . |
| 444 | 1783 | Linz | Introduction to a Symphony (was No.37) of Michael Haydn | G Major |
| 445 | 1779 | Salzburg | March for Orchestra | D Major |
| 446 | 1783 | Vienna | Music to a Pantomime (Fragment) | . |
| 447 |
1783 | Vienna | Concerto for Horn | E Flat Major |
| 448 |
1781 | Vienna | Sonata for 2 Pianos | D Major |
| 449 | 1784 | Vienna | Concerto for Piano No. 14 (See K. 624) | E Flat Major |
| 450 |
1784 | Vienna | Concerto for Piano No. 15 (See K. 624) | B Flat Major |
| 451 | 1784 | Vienna | Concerto for Piano No. 16 (See K. 624) | D Major |
| 452 | 1784 | Vienna | Quintet for Piano & Winds | E Major |
| 453 |
1784 | Vienna | Concerto for Piano No. 17 (See K. 624) | G Major |
| 454 | 1784 | Vienna | Sonata for Piano & Violin | B Flat Major |
| 455 | 1784 | Vienna | 10 Variations for Piano `Unser dummer Poebel meint' | . |
| 456 | 1784 | Vienna | Concerto for Piano No. 18 (See K. 624) | B Flat Major |
| 457 |
1784 | Vienna | Sonata for Piano | C minor |
| 458 | 1784 | Vienna | Quartet for Strings No. 17 `Hunt' | B Flat Major |
| 459 | 1784 | Vienna | Concerto for Piano No. 19 (See K. 624) | F Major |
| 460 | 1784 | Vienna | 8 Variations for Piano `Come un agnello' | . |
| 461 | 1784 | Vienna | 6 Minuets for Orchestra | . |
| 462 | 1784 | Vienna | 6 Contredanses for Orchestra | . |
| 463 | 1784 | Vienna | 2 Contredanses with minuets for Orchestra | . |
| 464 | 1785 | Vienna | Quartet for Strings No. 18 | A Major |
| 465 | 1785 | Vienna | Quartet for Strings No. 19 `Dissonant' | C Major |
| 466 |
1785 | Vienna | Concerto for Piano No. 20 (See K. 624) | D minor |
| 467 |
1785 | Vienna | Concerto for Piano No. 21 | C Major |
| 468 |
1785 | Vienna | Song with Piano `Die ihr einem neuen Grade' | . |
| 469 | 1785 | Vienna | Oratorio `Davidde penitente' | . |
| 470 | 1785 | Vienna | Andante to a Violin Concerto of Viotti (lost) | . |
| 471 | 1785 | Vienna | Cantata `Die Maurerfreude' | . |
| 472 |
1785 | Vienna | Song with Piano `Ihr Maedchen, flieht' | . |
| 473 |
1785 | Vienna | Song with Piano `Wie Sanft, wie ruhig' | . |
| 474 | 1785 | Vienna | Song with Piano `Der Reiche Tor' | . |
| 475 |
1785 | Vienna | Fantasia for Piano | C minor |
| 476 |
1785 | Vienna | Song with Piano `Das Veilchen' | . |
| 477 | 1785 | Vienna | Maurerische Trauermusik | . |
| 478 |
1785 | Vienna | Quartet for Piano & Strings | G minor |
| 479 | 1785 | Vienna | Quartet `Dite almeno' | . |
| 480 | 1785 | Vienna | Terzet `Mandina amabile' | . |
| 481 | 1785 | Vienna | Sonata for Piano & Violin | E Flat Major |
| 482 | 1785 | Vienna | Concerto for Piano No. 22 | E Flat Major |
| 483 | 1785 | Vienna | Song with Chorus `Zerfliesset heut', geliebte Brueder' | . |
| 484 | 1785 | Vienna | Chorus `Ihr unsre neuen Leiter' | . |
| 485 | 1786 | Vienna | Rondo for Piano | D Major |
| 486 |
1786 | Vienna | Opera (Singspiel) `Der Schauspieldirektor' | . |
| 486a | 1778 | Mannheim | Recitative & Aria for Soprano `Basta, vincesti' | . |
| 487 | 1786 | Vienna | 12 Duets for 2 Horns (Basset?) | . |
| 488 |
1786 | Vienna | Concerto for Piano No. 23 (See K. 624) | A Major |
| 489 | 1786 | Vienna | Duet for Soprano & Tenor `Spiegarti, oh Dio, non posso' | . |
| 490 | 1786 | Vienna | Scena & Rondo for Soprano `Non piu, tutto' | . |
| 491 |
1786 | Vienna | Concerto for Piano No. 24 | C minor |
| 492 |
1785, 1786 | Vienna | Opera buffa `Le nozze di Figaro' | . |
| 493 |
1786 | Vienna | Quartet for Piano & Strings | E Flat Major |
| 494 |
1786 | Vienna | Rondo for Piano | F Major |
| 495 | 1786 | Vienna | Concerto for Horn | E Flat Major |
| 496 | 1786 | Vienna | Trio for Piano, Violin & Cello | G Major |
| 497 |
1786 | Vienna | Piano Sonata for 4 Hands | F Major |
| 498 | 1786 | Vienna | Trio for Piano, Clarinet & Viola | E Flat Major |
| 498a | 1786 | Vienna | Sonata for Piano (Fragment) | B Flat Major |
| 499 | 1786 | Vienna | Quartet for Strings No. 20 | D Major |
| 500 | 1786 | Vienna | 12 Variations for Piano | B Flat Major |
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