Número de Clasificación
H - Social Science
97
K - Law
95
Q - Science
56
G - Geography, Anthropology, Recreation
31
J - Political Science
30
T - Technology
26
B - Philosophy, Psychology, Religion
22
R - Medicine
13
D - World History
6
L - Education
5
P - Language and Literature
5
C - Historical Sciences
3
U - Military Science
3
N - Fine Arts
1