PN - General Literature 7,663
P - Philology and Linguistics 6,389
PR - English Literature 5,449
PS - American Literature 4,611
PQ - French, Italian, Spanish, Portuguese Literature 2,681
PA - Latin and Greek 1,344
PE - English Languages 1,304
PL - Eastern Asia, Africa, Oceania 1,058
PT - European, Asian and African Literature 774
PJ - Oriental 678
PG - Slavic, Baltic, Abanian Languages 657
PC - Romanic Languages 612
PM - Hyperborean, Indian, and Artificial Languages 266
PF - West Germanic Languages 239
PK - Indo-Iranian 224
PZ - Fiction 171
PB - Modern and Celtic Languages 137
PD - Germanic Languages 106
PH - Uralic, Basque Languages 51
