Classification
R - Medicine
2,065
D - World History
716
B - Philosophy, Psychology, Religion
666
H - Social Science
575
C - Historical Sciences
520
Q - Science
520
M - Music
448
S - Agriculture
401
T - Technology
361
F - General American History
324
A - General Works
216
E - United States History
188
P - Language and Literature
113
J - Political Science
88
G - Geography, Anthropology, Recreation
75
L - Education
69
Z - Library Science
69
K - Law
61
N - Fine Arts
23
U - Military Science
8
V - Naval Science
2