Número de Clasificación
B - Philosophy, Psychology, Religion
1,787
D - World History
378
P - Language and Literature
338
M - Music
36
N - Fine Arts
30
A - General Works
22
F - General American History
20
L - Education
19
K - Law
18
G - Geography, Anthropology, Recreation
16
H - Social Science
12
Q - Science
12
E - United States History
10
Z - Library Science
10
J - Political Science
5
C - Historical Sciences
3
R - Medicine
3
T - Technology
3
S - Agriculture
1