Número de Clasificación
M - Music
329
C - Historical Sciences
132
S - Agriculture
30
G - Geography, Anthropology, Recreation
25
B - Philosophy, Psychology, Religion
24
A - General Works
23
P - Language and Literature
19
R - Medicine
12
D - World History
11
F - General American History
10
E - United States History
8
V - Naval Science
8
H - Social Science
7
L - Education
7
T - Technology
7
J - Political Science
3
K - Law
2
N - Fine Arts
2
U - Military Science
2
Z - Library Science
2
Q - Science
1