| P |
Philology & linguistics–General. |
| PA |
Classical languages and literatures. |
| PB |
Celtic languages. |
| PC |
Romance languages. |
| PD |
Germanic languages. Scandinavian languages. |
| PE |
English languages. |
| PF |
West Germanic languages. Dutch. German. |
| PG |
Slavic, Baltic, & Armenian languages & literatures. |
| PH |
Finno-Ugrian languages & literatures. |
| PJ |
Middle Eastern languages & literatures. |
| PK |
Indo-Iranian languages & literatures. |
| PL |
East Asian languages & literatures. |
| PM |
American Indian languages. Artificial languages. |
| PN |
Literary history–General. General literature collections.
Performing arts: Drama, musical theatre. |
| PQ |
Romance literatures. |
| PR |
English literature. |
| PS |
American literature. |
| PT |
Germanic literature. Scandinavian literature. |
| PZ |
General fiction. Juvenile fiction. |
