CLASSIFICATION
Q - Science
6,810
H - Social Science
4,275
L - Education
1,079
T - Technology
1,028
B - Philosophy, Psychology, Religion
254
G - Geography, Anthropology, Recreation
129
R - Medicine
78
A - General Works
59
J - Political Science
50
S - Agriculture
40
P - Language and Literature
39
M - Music
35
C - Historical Sciences
29
Z - Library Science
15
E - United States History
14
N - Fine Arts
12
K - Law
5
D - World History
4
F - General American History
4
U - Military Science
2
V - Naval Science
2