CLASSIFICATION
L - Education
943
G - Geography, Anthropology, Recreation
95
H - Social Science
43
Q - Science
25
T - Technology
15
R - Medicine
14
P - Language and Literature
10
C - Historical Sciences
9
S - Agriculture
7
N - Fine Arts
6
A - General Works
5
M - Music
5
B - Philosophy, Psychology, Religion
4
Z - Library Science
4
K - Law
3
D - World History
2
E - United States History
2
F - General American History
2
V - Naval Science
1