Número de Clasificación
D - World History
34
H - Social Science
24
L - Education
10
K - Law
9
J - Political Science
7
P - Language and Literature
5
C - Historical Sciences
3
G - Geography, Anthropology, Recreation
3
N - Fine Arts
2
T - Technology
2
B - Philosophy, Psychology, Religion
1
F - General American History
1
R - Medicine
1
U - Military Science
1