Classification
P - Language and Literature
68 926
M - Music
5 063
F - General American History
3 695
K - Law
2 013
H - Social Science
1 707
A - General Works
1 674
B - Philosophy, Psychology, Religion
1 625
D - World History
1 403
R - Medicine
1 326
Q - Science
1 224
S - Agriculture
661
N - Fine Arts
541
T - Technology
464
C - Historical Sciences
432
J - Political Science
394
L - Education
358
E - United States History
217
G - Geography, Anthropology, Recreation
156
Z - Library Science
103
U - Military Science
55
V - Naval Science
15