Número de Clasificación
H - Social Science
65
P - Language and Literature
50
Q - Science
48
R - Medicine
33
D - World History
27
T - Technology
24
K - Law
21
B - Philosophy, Psychology, Religion
17
G - Geography, Anthropology, Recreation
16
L - Education
16
S - Agriculture
13
J - Political Science
9
N - Fine Arts
8
A - General Works
7
M - Music
7
E - United States History
5
F - General American History
5
Z - Library Science
3
U - Military Science
1