Número de Clasificación
D - World History
1,522
B - Philosophy, Psychology, Religion
1,308
P - Language and Literature
1,137
N - Fine Arts
775
Z - Library Science
686
M - Music
460
H - Social Science
439
F - General American History
207
A - General Works
186
Q - Science
133
J - Political Science
104
K - Law
90
R - Medicine
66
C - Historical Sciences
61
G - Geography, Anthropology, Recreation
55
S - Agriculture
39
E - United States History
35
L - Education
28
V - Naval Science
25
U - Military Science
19
T - Technology
14