Map showing the various levels in the library.
| Dewey-groups | Subject | Level |
|---|---|---|
| 001 - 099 | General Subjects | Level 2 |
| 100 - 149 | Philosophy - History of Ideas - Metaphysics | Level 3 |
| 150 - 159 | Psychology | Level 2 |
| 160 - 199 | Logic - Ethics - Philosophy | Level 3 |
| 200 - 299 | Religion | Level 3 |
| 300 - 399 | Social Sciences | Level 2 |
| 400 - 499 | Language | Level 3 and Level 4 |
| 500 - 599 | Natural Sciences and Mathematics | Level 2 |
| 600 - 699 | Applied Sciences incl. Medicine | Level 2 |
| 700 - 799 | Arts | Level 3 |
| 800 - 899 | Comparative Literature | Level 3 and Level 4 |
| Fiction | Level U (S-Litt) | |
| 900 - 999 | Geography and History | Level 2 |
| 000 - 999 | Classical and Oriental Studies | Level 4 (Mezzanine) |