| Code | Description | Items |
|---|---|---|
| 100 | Philosophy & psychology | 157 |
| 110 | Metaphysics | 117 |
| 120 | Epistemology, causation, humankind | 278 |
| 130 | Paranormal phenomena | 326 |
| 140 | Specific philosophical schools | 107 |
| 150 | Psychology | 2385 |
| 160 | Logic | 55 |
| 170 | Ethics (Moral philosophy) | 406 |
| 180 | Ancient, medieval, Oriental philosophy | 446 |
| 190 | Modern Western philosophy | 1621 |