Classification
P - Language and Literature
3,653
H - Social Science
930
K - Law
731
Q - Science
294
D - World History
192
J - Political Science
117
G - Geography, Anthropology, Recreation
83
B - Philosophy, Psychology, Religion
61
N - Fine Arts
54
L - Education
49
R - Medicine
48
S - Agriculture
35
T - Technology
27
Z - Library Science
19
U - Military Science
15
M - Music
14
A - General Works
3
C - Historical Sciences
2
E - United States History
2
F - General American History
1