Classification
Q - Science
357
R - Medicine
331
P - Language and Literature
262
B - Philosophy, Psychology, Religion
144
D - World History
117
A - General Works
72
M - Music
72
T - Technology
55
C - Historical Sciences
36
G - Geography, Anthropology, Recreation
30
E - United States History
24
H - Social Science
17
F - General American History
14
S - Agriculture
12
K - Law
4
Z - Library Science
4
N - Fine Arts
3
L - Education
2
J - Political Science
1