| PK 401-420 |
Philology |
| - PK 402-403 |
- Monographs. Studies |
| - PK 409 |
- Biography |
| PK 423-976 |
Language |
| - PK 423 |
- Treatises: History, relations, etc. |
| - PK 475-811 |
- Grammar (Vyakarana) |
| - - PK 475-585 |
- - Oriental authors |
| - - - PK 475-551 |
- - - Treatises in Sanskrit |
| - - - - PK 511-521 |
- - - - Panini |
| - - PK 653-669 |
- - Western authors
including works in English by Oriental authors |
| - - - PK 655 |
- - - History (of grammatical studies) |
| - - - PK 666 |
- - - Introductory. Elementary |
| - - PK 801-811 |
- - Syntax |
| - PK 901-919 |
- Etymology |
| - - PK 910 |
- - Semantics |
| - PK 920-969 |
- Lexicography |
| - - PK 925-969 |
- - Dictionaries |