PA - Latin and Greek 10
PC - Romanic Languages 9
PE - English Languages 20
PF - West Germanic Languages 3
PG - Slavic, Baltic, Abanian Languages 86
PH - Uralic, Basque Languages 4
PJ - Oriental 2,579
PK - Indo-Iranian 99
PL - Eastern Asia, Africa, Oceania 431
PM - Hyperborean, Indian, and Artificial Languages 3
PN - General Literature 447
P - Philology and Linguistics 76
PQ - French, Italian, Spanish, Portuguese Literature 356
PR - English Literature 319
PS - American Literature 163
PT - European, Asian and African Literature 71
PZ - Fiction 3,212