A - General Works 13,353
B - Philosophy, Psychology, Religion 12,241
C - Historical Sciences 10,472
D - World History 15,472
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P - Language and Literature 39,342
Q - Science 57,607
R - Medicine 23,676
S - Agriculture 11,248
T - Technology 37,184
U - Military Science 1,744
V - Naval Science 1,518
Z - Library Science 2,926