Número de Clasificación
H - Social Science
24
R - Medicine
14
G - Geography, Anthropology, Recreation
10
P - Language and Literature
10
Q - Science
8
K - Law
5
B - Philosophy, Psychology, Religion
4
L - Education
4
F - General American History
3
D - World History
2
J - Political Science
2
M - Music
2
N - Fine Arts
2
E - United States History
1
S - Agriculture
1
T - Technology
1
Z - Library Science
1