| Köchel | Date | Location | Work | Key |
| 201 | 1774 | Salzburg | Symphony No. 29 | A Major |
| 202 | 1774 | Salzburg | Symphony No. 30 | D Major |
| 203 | 1774 | Salzburg | Serenade No. 4 | D Major |
| 204 | 1775 | Salzburg | Serenade No. 5 | D Major |
| 205 | 1773 | Vienna | Divertimento No. 7 | D Major |
| 206 | 1774 | Vienna | March (Idomeneo) | D Major |
| 207 | 1775 | Salzburg | Concerto for Violin No. 1 | B Flat Major |
| 208 |
1775 | Salzburg | Opera `Il re pastore, dramma per musica' | . |
| 209 | 1775 | Salzburg | Aria for tenor `Si mostra la Sorte' | . |
| 210 | 1775 | Salzburg | Aria for tenor `Con ossequio, con rispetto' | . |
| 211 |
1775 | Salzburg | Concerto for Violin No. 2 | D Major |
| 212 | 1775 | Salzburg | Sonata for Organ & Strings `Church' | B Flat Major |
| 213 | 1775 | Salzburg | Divertimento No. 8 | F Major |
| 214 | 1775 | Salzburg | March for Orchestra | C Major |
| 215 | 1775 | Salzburg | March for Orchestra | D Major |
| 216 |
1775 | Salzburg | Concerto for Violin No. 3 | G Major |
| 217 | 1775 | Salzburg | Aria for Soprano `Voi avete un cor fedele' | . |
| 218 |
1775 | Salzburg | Concerto for Violin No. 4 | D Major |
| 219 |
1775 | Salzburg | Concerto for Violin No. 5 (See K. 261) | A Major |
| 220 | 1775 | Munich | Mass `Missa brevis' | C Major |
| 221 | 1771 | Salzburg | Kyrie | C Major |
| 222 | 1775 | Munich | Offertorium de tempore `MisericordiasDomini' | D minor |
| 223 | 1773 | ??? | Ossana (Fragment) | C Major |
| 224 | 1776 | Salzburg | Sonata for Organ & Strings `Church' | F Major |
| 225 | 1776 | Salzburg | Sonata for Organ & Strings `Church' | A Major |
| 226 | ??? | ??? | Canon `O Schwester traut dem amor nicht' (Spurious) | . |
| 227 | ??? | ??? | Canon `O wunderschoen ist Gottes Erde' - Byrd (Spurious) | . |
| 228 | 1787 | Vienna | Double Canon `Ach, zu kurz' | . |
| 229 |
1782 | Vienna | Canon `Sie ist dahin' | . |
| 230 | 1782 | Vienna | Canon `Selig, selig alle' | . |
| 231 | 1782 | Vienna | Canon `Leck mich im Arsch' | . |
| 232 | 1787 | Vienna | Canon `Lieber Freistaedtler, lieber Gaulimauli' | . |
| 233 | 1782 | Vienna | Canon `Leck mir am Arsch fein recht' | . |
| 234 | 1782 | Vienna | Canon `Bei der Hitz' | . |
| 235 | 1782 | Vienna | Canon for Piano (P. E. Bach) | . |
| 236 | 1790 | Vienna | Andantino for Piano | E Flat Major |
| 237 | 1774 | Salzburg | March for Orchestra | D Major |
| 238 | 1776 | Salzburg | Concerto for Piano No. 6 (See K. 624) | B Flat Major |
| 239 | 1776 | Salzburg | Serenade No. 6 for 2 Orchestras | D Major |
| 240 | 1776 | Salzburg | Divertimento No. 9 | B Flat Major |
| 241 | 1776 | Salzburg | Sonata for Organ & Strings `Church' | G Major |
| 242 | 1776 | Salzburg | Concerto for 3 Pianos No. 7 | F Major |
| 243 | 1776 | Salzburg | Litaniae de venerabili altaris sacramento | . |
| 244 | 1776 | Salzburg | Sonata for Organ & Strings `Church' | F Major |
| 245 | 1776 | Salzburg | Sonata for Organ & Strings `Church' | D Major |
| 246 |
1776 | Salzburg | Concerto for Piano No. 8 (See K. 624) | C Major |
| 247 | 1776 | Salzburg | Divertimento No. 10 | F Major |
| 248 | 1776 | Salzburg | March for Orchestra | F Major |
| 249 | 1776 | Salzburg | March (for `Haffner' Serenade) | D Major |
| 250 | 1776 | Salzburg | Serenade No. 7 `Haffner' | D Major |
| 251 | 1776 | Salzburg | Divertimento No. 11 | D Major |
| 252 | 1776 | Salzburg | Divertimento No. 12 | E Flat Major |
| 253 |
1776 | Salzburg | Divertimento No. 13 | F Major |
| 254 | 1776 | Salzburg | Divertimento (Trio for Piano, Violin, Cello) | B Flat Major |
| 255 | 1776 | Salzburg | Recitative & Aria for Alto `Ombra felice' | . |
| 256 | 1776 | Salzburg | Aria for Tenor `Clarice cara mia sposa' | . |
| 257 | 1776 | Salzburg | Mass `Credo' | C Major |
| 258 | 1776 | Salzburg | Mass (Missa brevis) `Spaur' | C Major |
| 259 | 1776 | Salzburg | Mass (Missa brevis) `Organ Solo' | C Major |
| 260 | 1776 | Salzburg | Offertorium `Venite, Populi' | . |
| 261 | 1776 | Salzburg | Adagio for the Violin Concerto, K. 219 | E Major |
| 262 | 1776 | Salzburg | Mass (Missa) `Longa' | C Major |
| 263 | 1776 | Salzburg | Sonata for Organ & Strings `Church' | C Major |
| 264 | 1778 | Paris | 9 Variations for Piano `Lison Dormait' | . |
| 265 |
1778 | Paris | 12 Variations for Piano `Ah, vous dirai-je, maman' | . |
| 266 | 1777 | Salzburg | Trio (Nachtmusik) for 2 Violins & Bass | B Flat Major |
| 266 | 1777 | Salzburg | 4 Contredanses | . |
| 268 | 1780? | Salzburg - Munich | Concerto for Violin No.6 (Doubtful) | E Flat Major |
| 269 | 1776 | Salzburg | Rondo concertante for Violin & Orchestra | B Flat Major |
| 270 | 1777 | Salzburg | Divertimento No. 14 | B Flat Major |
| 271 | 1777 | Salzburg | Concerto for Piano No. 9 `Jeune homme' (See K. 624) | E Flat Major |
| 271a | 1777? | Salzburg | Concerto for Violin No.7 (Doubtful) | D Major |
| 272 | 1777 | Salzburg | Recitative & Aria for Soprano `Ah, lo previdi' | . |
| 273 | 1777 | Salzburg | Gradual `Sancta Maria' | . |
| 274 | 1777 | Salzburg | Sonata for Organ & Strings `Church' | G Major |
| 275 | 1777 | Salzburg | Mass `Missa brevis' | B Flat Major |
| 276 | 1779 | Salzburg | `Regina Coeli' | C Major |
| 277 | 1777 | Salzburg | Offertory `Alma Dei creatoris' | . |
| 278 | 1777 | Salzburg | Sonata for Organ & Strings `Church' | C Major |
| 279 |
1774 | Salzburg | Sonata for Piano | C Major |
| 280 |
1774 | Salzburg | Sonata for Piano | F Major |
| 281 |
1774 | Salzburg | Sonata for Piano | B Flat Major |
| 282 |
1774 | Salzburg | Sonata for Piano | E Flat Major |
| 283 |
1774 | Salzburg | Sonata for Piano | G Major |
| 284 |
1775 | Munich | Sonata for Piano | D Major |
| 285 | 1777 | Mannheim | Quartet for Flute & Strings | D Major |
| 285a | 1778 | Mannheim | Quartet for Flute & Strings (lost) | G Major |
| 285b | 1778 | Mannheim | Quartet for Flute & Strings | C Major |
| 286 | 1776 / 1777 | Salzburg | Notturno (Serenade No. 8) for 4 Orchestras | D Major |
| 287 | 1777 | Salzburg | Divertimento No. 15 | B Flat Major |
| 288 | 1777 | Salzburg | Divertimento | F Major |
| 289 | 1777 | Salzburg | Divertimento No. 16 | E Flat Major |
| 290 | 1773 | Vienna | March for 2 Horns & Strings | D Major |
| 291 | ??? | ??? | Fugue for Orchestra (by Michael Haydn) | . |
| 292 | 1775 | Munich | Sonata for Bassoon & Cello | B Flat Major |
| 293 | 1783 | Vienna | Concerto for Oboe (Fragment) | F Major |
| 294 | 1778 | Mannheim | Recitative & Aria for Soprano `Alcandro, lo confesso' | . |
| 295 | 1778 | Mannheim | Aria for Tenor `Se al labbro mio non credi' | . |
| 296 | 1778 | Mannheim | Sonata for Piano & Violin | C Major |
| 297 | 1778 | Paris | Symphony No. 31 `Paris' | D Major |
| 297a | 1778 | Paris | (App. 1) 8 numbers to a Miserere by Holzbauer (lost) | . |
| 297b | 1778 | Paris | (App. 9) Sinfonia concertante | E Flat Major |
| 298 | 1778 | Paris | Quartet for Flute & Strings | A Major |
| 299 |
1778 | Paris | Concerto for Flute & Harp | C Major |
| 299b | 1778 | Paris | (App. 10) Ballet Music `Les petits riens' | . |
| 300 | 1778 | Paris | Gavotte for Orchestra | B Flat Major |
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