Classification
P - Language and Literature
121
H - Social Science
87
K - Law
75
R - Medicine
43
M - Music
40
A - General Works
27
B - Philosophy, Psychology, Religion
27
J - Political Science
25
D - World History
20
E - United States History
12
F - General American History
7
T - Technology
7
C - Historical Sciences
6
L - Education
6
Z - Library Science
4
S - Agriculture
3
U - Military Science
3
G - Geography, Anthropology, Recreation
2