| PC 1700-1977 |
Linguistic geography. Dialects. Provincialisms, etc. |
| - PC 1781-1945 |
- By region, province, etc. |
| - - PC 1786-1819 |
- - Southern dialects |
| - - - PC 1801-1802 |
- - - Sicily |
| - - - PC 1811-1814 |
- - - Campania |
| - - PC 1841-1879 |
- - Northern dialects |
| - - PC 1910-1945 |
- - Italian in foreign parts |
| - PC 1951-1977 |
- Slang. Argot |