CLASSIFICATION
S - Agriculture
548
L - Education
48
N - Fine Arts
39
T - Technology
32
C - Historical Sciences
28
H - Social Science
23
Q - Science
17
P - Language and Literature
12
D - World History
7
A - General Works
6
R - Medicine
6
V - Naval Science
4
G - Geography, Anthropology, Recreation
3
B - Philosophy, Psychology, Religion
2
F - General American History
2
K - Law
2
M - Music
2
J - Political Science
1