CLASSIFICATION
H - Social Science
3,346
L - Education
1,139
Q - Science
873
R - Medicine
736
B - Philosophy, Psychology, Religion
558
S - Agriculture
521
P - Language and Literature
492
T - Technology
310
G - Geography, Anthropology, Recreation
302
J - Political Science
278
Z - Library Science
131
A - General Works
99
D - World History
73
C - Historical Sciences
57
N - Fine Arts
49
M - Music
46
K - Law
31
F - General American History
21
V - Naval Science
12
E - United States History
7
U - Military Science
7