CLASSIFICATION
R - Medicine
839
T - Technology
776
Q - Science
468
L - Education
268
H - Social Science
153
S - Agriculture
32
G - Geography, Anthropology, Recreation
27
A - General Works
18
E - United States History
10
M - Music
5
Z - Library Science
5
D - World History
4
C - Historical Sciences
3
V - Naval Science
3
B - Philosophy, Psychology, Religion
1
J - Political Science
1
P - Language and Literature
1