A - General Works 170
B - Philosophy, Psychology, Religion 18,402
C - Historical Sciences 798
D - World History 8,669
E - United States History 3,869
F - General American History 2,689
G - Geography, Anthropology, Recreation 6,247
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M - Music 2,065
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P - Language and Literature 22,350
Q - Science 43,467
R - Medicine 24,718
S - Agriculture 1,797
T - Technology 24,435
U - Military Science 1,075
V - Naval Science 187
Z - Library Science 1,109