Classification
H - Social Science
451
D - World History
125
L - Education
70
S - Agriculture
64
P - Language and Literature
59
Q - Science
59
K - Law
58
T - Technology
57
J - Political Science
41
M - Music
38
R - Medicine
35
B - Philosophy, Psychology, Religion
32
Z - Library Science
29
G - Geography, Anthropology, Recreation
23
A - General Works
14
N - Fine Arts
11
U - Military Science
8
C - Historical Sciences
3
E - United States History
1
F - General American History
1