Info
Based on DDC 23
Main Classes
| Num | Topics | Topics |
|---|---|---|
| 000 | Computer Science, Information & General Works | General |
| 100 | Philosophy & Psychology | Philosophy |
| 200 | Religion | Theology |
| 300 | Social Sciences | Sociology |
| 400 | Language | Philology |
| 500 | Science | Natural Science |
| 600 | Technology | Useful Arts |
| 700 | Arts & Recreation | Fine Arts |
| 800 | Literature | Literature |
| 900 | History & Geography | History |