| ↑ | I.B | History of politcal doctrines |  ≈ 320.09 |
| ↑ | I.D | Doctrines (Orient) | ≈ 320 |
| ↑ | I.G | Archives | ≈ 320 |
| ↑ | I.H | Politcal doctrines (Middle Ages) | ≈ 320.01 |
| ↑ | IX.A | Poltical studies | ≈ 320 |
| ↑ | IX.B | Political philosophy | ≈ 320.01 |
| ↑ | IX.E | Political studies | ≈ 320 |
| ↑ | SP.1 | History of political thought and political philosophy | ≈ 320.01 |
| ↑ | SP.11 | Ideology | ≈ 320.5 |
| ↑ | SP.16 | Public politics analysis | ≈ 320 |
| ↑ | SP.6 | General political theory | ≈ 320.01 |
| ↑ | XIV.D | Liberalism and protectionism | ≈ 382 320.51 |
| ↑ | ROI.2 | | → 320 |
| ↑ | 172 | | → 320.01 |
| ↑ | 304.5 | nature and culture, human ethology, sociobiology | → 320 591.5 |
| ↑ | 305.8 | ethnical groups | → 320 |
| ↑ | 320.9174927 | polical conditions in Arab countries | → 320.956 |
| ↑ | 320.956 | political conditions in Middle East | → 320.9174927 956 |
| ↑ | 327.5694 | international relations of Israel and Palestine | → 320.95694 956.94 |
| ↑ | 335 | socialist economy | → 320.531 |
| ↑ | 341.2422 | treatises of European Union | → 320.94 327.4 |
| ↑ | 349.65 | Algerian law | → 320.965 340.59 916.5 |
| ↑ | 599.9 | humans, physical anthropology | → 320 569.9 |
| ↑ | 599.935 | human genetics | → 320 576.5 616.04 |
| ↑ | 915.6 | Middle East | → 320.956 338.2728 956 |
| ↑ | 956 | history of Middle East | → 297.09 305.89159 320.956 915.6 |
| ↑ | 956.94 | history of Israel | → 296.09 320.95694 327.5694 909.0492 |
| ↑ | 960.3 | African history after 1885 | → 320.96 |
| ↑ | ISTAT | Censuses | ≈ 320 |
