Número de Clasificación
A - General Works
32
B - Philosophy, Psychology, Religion
23
M - Music
14
T - Technology
14
K - Law
6
N - Fine Arts
6
C - Historical Sciences
5
E - United States History
5
S - Agriculture
5
D - World History
4
Z - Library Science
4
P - Language and Literature
2
F - General American History
1
G - Geography, Anthropology, Recreation
1
H - Social Science
1
R - Medicine
1