| Code | Description | Fiches |
|---|---|---|
| 500 | Natural sciences & mathematics | 77 |
| 501 | Philosophy & theory | 77 |
| 502 | Miscellany | 16 |
| 503 | Dictionaries & encyclopedias | 115 |
| 505 | Serial publications | 1 |
| 506 | Organizations & management | 1 |
| 507 | Education, research, related topics | 47 |
| 508 | Natural history | 59 |
| 509 | Historical, areas, persons treatment | 132 |