P Philology. Linguistics
PA Greek and Latin
PB Modern, Celtic languages
PC Romanic languages
PD Germanic, Scandinavian languages
PE English language
PF West Germanic languages
PG Slavic, Baltic, Albanian language
PH Uralic, Basque language
PJ Oriental languages and literatures
PK Indo - Iranian languages and literatures
PL Languages and literatures of Eastern Asia, Africa, Oceania
PM Hyperborean, Indian, and artificial languages
PN Literature (General)
PQ French, Italian, Spanish, Portuguese literature
PR English literature
PS American literature
PT German literature
PZ Fiction and juvenile belles lettres