Classification
P - Language and Literature
12 532
M - Music
1 334
Q - Science
1 055
B - Philosophy, Psychology, Religion
850
H - Social Science
801
F - General American History
625
D - World History
400
A - General Works
391
C - Historical Sciences
349
R - Medicine
329
E - United States History
249
K - Law
242
T - Technology
227
S - Agriculture
223
J - Political Science
164
L - Education
112
N - Fine Arts
108
G - Geography, Anthropology, Recreation
76
Z - Library Science
32
U - Military Science
14
V - Naval Science
11