Número de Clasificación
H - Social Science
91
B - Philosophy, Psychology, Religion
25
R - Medicine
7
S - Agriculture
6
P - Language and Literature
5
L - Education
4
G - Geography, Anthropology, Recreation
3
K - Law
3
T - Technology
3
J - Political Science
2
Q - Science
2
F - General American History
1
Z - Library Science
1