CLASSIFICATION
H - Social Science
59
L - Education
57
Q - Science
28
R - Medicine
25
S - Agriculture
8
Z - Library Science
7
G - Geography, Anthropology, Recreation
4
T - Technology
4
A - General Works
3
P - Language and Literature
3
B - Philosophy, Psychology, Religion
2
J - Political Science
2
M - Music
1
V - Naval Science
1