Número de Clasificación
H - Social Science
346
K - Law
123
T - Technology
61
Q - Science
56
L - Education
15
R - Medicine
13
J - Political Science
10
P - Language and Literature
10
Z - Library Science
6
B - Philosophy, Psychology, Religion
5
U - Military Science
4
G - Geography, Anthropology, Recreation
3
D - World History
2
F - General American History
2
M - Music
2
N - Fine Arts
2
S - Agriculture
2