P - Philology and Linguistics 1,013
PN - General Literature 271
PR - English Literature 65
PT - European, Asian and African Literature 64
PS - American Literature 44
PL - Eastern Asia, Africa, Oceania 38
PG - Slavic, Baltic, Abanian Languages 36
PQ - French, Italian, Spanish, Portuguese Literature 35
PA - Latin and Greek 29
PF - West Germanic Languages 28
PE - English Languages 15
PJ - Oriental 15
PK - Indo-Iranian 10
PC - Romanic Languages 9
PD - Germanic Languages 7
PM - Hyperborean, Indian, and Artificial Languages 5
PB - Modern and Celtic Languages 2
PH - Uralic, Basque Languages 1
PZ - Fiction 1