Número de Clasificación
B - Philosophy, Psychology, Religion
192
H - Social Science
187
E - United States History
134
A - General Works
109
M - Music
83
Q - Science
43
C - Historical Sciences
38
F - General American History
26
S - Agriculture
24
N - Fine Arts
19
R - Medicine
16
L - Education
13
K - Law
9
P - Language and Literature
7
Z - Library Science
2