Classification
P - Language and Literature
23,470
M - Music
6,312
F - General American History
2,143
D - World History
1,117
B - Philosophy, Psychology, Religion
1,106
Q - Science
1,067
H - Social Science
714
A - General Works
609
K - Law
607
C - Historical Sciences
488
E - United States History
313
R - Medicine
277
J - Political Science
246
T - Technology
190
S - Agriculture
133
N - Fine Arts
111
G - Geography, Anthropology, Recreation
98
Z - Library Science
52
L - Education
41
U - Military Science
20
V - Naval Science
5