PS - American Literature 54,454
PR - English Literature 52,282
PN - General Literature 43,034
PZ - Fiction 31,275
PQ - French, Italian, Spanish, Portuguese Literature 16,730
P - Philology and Linguistics 15,510
PA - Latin and Greek 7,020
PT - European, Asian and African Literature 6,036
PE - English Languages 5,900
PL - Eastern Asia, Africa, Oceania 4,236
PG - Slavic, Baltic, Abanian Languages 3,115
PJ - Oriental 2,564
PC - Romanic Languages 2,008
PK - Indo-Iranian 807
PM - Hyperborean, Indian, and Artificial Languages 628
PF - West Germanic Languages 627
PB - Modern and Celtic Languages 516
PD - Germanic Languages 274
PH - Uralic, Basque Languages 147