P - Philology and Linguistics 732,000
PK - Indo-Iranian 13,897
PQ - French, Italian, Spanish, Portuguese Literature 11,214
PT - European, Asian and African Literature 7,689
PL - Eastern Asia, Africa, Oceania 7,023
PE - English Languages 4,599
PR - English Literature 3,467
PN - General Literature 3,261
PA - Latin and Greek 2,692
PG - Slavic, Baltic, Abanian Languages 2,012
PS - American Literature 1,244
PZ - Fiction 984
PC - Romanic Languages 914
PF - West Germanic Languages 723
PJ - Oriental 547
PD - Germanic Languages 375
PH - Uralic, Basque Languages 196
PB - Modern and Celtic Languages 95
PM - Hyperborean, Indian, and Artificial Languages 67
B - Philosophy 13