Classification
H - Social Science
390
P - Language and Literature
311
Q - Science
259
D - World History
228
B - Philosophy, Psychology, Religion
139
N - Fine Arts
139
J - Political Science
110
G - Geography, Anthropology, Recreation
99
L - Education
93
M - Music
84
F - General American History
80
K - Law
80
E - United States History
60
A - General Works
42
Z - Library Science
42
R - Medicine
30
C - Historical Sciences
29
S - Agriculture
27
T - Technology
20
U - Military Science
4