Classification
M - Music
7,513
H - Social Science
4,055
D - World History
2,000
B - Philosophy, Psychology, Religion
1,257
P - Language and Literature
846
C - Historical Sciences
713
S - Agriculture
662
L - Education
608
J - Political Science
480
T - Technology
449
R - Medicine
376
A - General Works
375
K - Law
350
N - Fine Arts
340
G - Geography, Anthropology, Recreation
330
Q - Science
317
Z - Library Science
278
F - General American History
192
E - United States History
164
U - Military Science
55
V - Naval Science
16