Dewey navigator
Select a description to see subdivisions
| Code | Description | Items |
|---|---|---|
| 500 | Natural sciences & mathematics | 0 |
| 501 | Philosophy & theory | 9 |
| 502 | Miscellany | 0 |
| 503 | Dictionaries & encyclopedias | 0 |
| 505 | Serial publications | 0 |
| 506 | Organizations & management | 0 |
| 507 | Education, research, related topics | 29 |
| 508 | Natural history | 1 |
| 509 | Historical, areas, persons treatment | 2 |