| Part I: Part I: Concertos before 1820 (199 compositions); |
| Number of titles | 1 |
| Number of microfiches | 259 |
 |
| Part II: Orchestral Music before 1820 (372 compositions); |
| Number of titles | 1 |
| Number of microfiches | 427 |
|
| Part III: Church Music, 1750-1820 (303 compositions); |
| Number of titles | 1 |
| Number of microfiches | 541 |
|
| Part IV: Vocal and instrumental tutors (398 works); |
| Number of titles | 1 |
| Number of microfiches | 811 |
|
| Part V: Historical Organ Collection : The Bätz Archive (approx. 440 technical and decorative drawings); |
| Number of titles | 1 |
| Number of microfiches | 67 |
|
| Part VI: Vocal Music, 1650-1820 (311 compositions); |
| Number of titles | 1 |
| Number of microfiches | 609 |
|
| Part VII: Keyboard Music, 1620-1820 (449 compositions); |
| Number of titles | 1 |
| Number of microfiches | 326 |
|
| Part VIII: Music for Solo Instrument, 1600-1820 (404 compositions) |
| Number of titles | 1 |
| Number of microfiches | 361 |
|
| Part IX: |
| Number of titles | 1 |
| Number of microfiches | 479 |
|
Order