Classification
K - Law
1,448
P - Language and Literature
1,234
H - Social Science
325
M - Music
146
R - Medicine
130
F - General American History
119
C - Historical Sciences
83
B - Philosophy, Psychology, Religion
81
S - Agriculture
68
L - Education
57
E - United States History
54
A - General Works
50
J - Political Science
50
D - World History
47
Z - Library Science
35
T - Technology
23
U - Military Science
9
G - Geography, Anthropology, Recreation
2
Q - Science
1