Classification
P - Language and Literature
6,371
H - Social Science
681
B - Philosophy, Psychology, Religion
370
D - World History
332
Q - Science
265
A - General Works
164
L - Education
141
J - Political Science
135
N - Fine Arts
118
G - Geography, Anthropology, Recreation
107
T - Technology
89
R - Medicine
68
S - Agriculture
57
K - Law
54
M - Music
44
C - Historical Sciences
24
Z - Library Science
22
U - Military Science
18
V - Naval Science
8
F - General American History
5
E - United States History
4