Series
I. Stage works and film music
1. Operas
2. Ballets
3. Incidental and film music
II. Orchestral music
1. Symphonies
2. Works for large orchestra
3. Works for chamber orchestra or small orchestra
4. Suites and excerpts from stage works (adapted by the composer)
III. Concertos and other concertante works
1. Concertos for solo instruments
2. Double, triple and quadruple concertos
IV. Chamber music
1. Duos
2. Trios
3. Quartets
4. Quintets - nonets
V. Keyboard works
1. Piano
2. Harpsichord, organ, two pianos
VI. Choral works and songs
1. Choruses
2. Oratorios and cantatas
3. Songs, melodramas
VII. Supplements and varia
1. Sketches, partial scores
2. Particelli of the non-realised works
3. Facsimiles