A - General Works 47,961
B - Philosophy, Psychology, Religion 58,925
C - Historical Sciences 24,419
D - World History 38,422
E - United States History 14,818
F - General American History 39,898
G - Geography, Anthropology, Recreation 4,862
H - Social Science 41,360
J - Political Science 7,901
K - Law 14,096
L - Education 6,102
M - Music 167,099
N - Fine Arts 7,455
P - Language and Literature 793,093
Q - Science 33,502
R - Medicine 45,576
S - Agriculture 15,387
T - Technology 16,549
U - Military Science 1,217
V - Naval Science 359
Z - Library Science 5,992
QD - Chemistry 4,313
QC - Physics 4,115
QE - Geology 4,072
QA - Mathematics 3,938
QK - Botany 3,478
QL - Zoology 3,348
QH - Natural History and Biology 2,798
Q - General Science 2,649
QP - Physiology 2,338
QB - Astronomy 1,280
QR - Microbiology 804
QM - Human Anatomy 341