Classification
S - Agriculture
737
R - Medicine
117
B - Philosophy, Psychology, Religion
104
C - Historical Sciences
94
M - Music
93
D - World History
87
P - Language and Literature
67
H - Social Science
36
Q - Science
30
A - General Works
29
F - General American History
28
E - United States History
13
Z - Library Science
7
T - Technology
3
G - Geography, Anthropology, Recreation
1
J - Political Science
1
K - Law
1