Classification
K - Law
8,875
P - Language and Literature
8,380
H - Social Science
1,160
M - Music
1,101
J - Political Science
906
F - General American History
789
B - Philosophy, Psychology, Religion
734
R - Medicine
510
E - United States History
413
A - General Works
390
D - World History
368
L - Education
364
C - Historical Sciences
342
S - Agriculture
211
Z - Library Science
192
T - Technology
86
U - Military Science
50
Q - Science
28
G - Geography, Anthropology, Recreation
22
N - Fine Arts
14
V - Naval Science
8