Número de Clasificación
H - Social Science
5,547
R - Medicine
3,576
T - Technology
3,064
Q - Science
2,846
L - Education
2,269
P - Language and Literature
1,953
B - Philosophy, Psychology, Religion
824
D - World History
688
K - Law
672
G - Geography, Anthropology, Recreation
518
A - General Works
495
F - General American History
396
S - Agriculture
373
J - Political Science
357
Z - Library Science
350
N - Fine Arts
237
E - United States History
191
M - Music
152
U - Military Science
112
C - Historical Sciences
103
V - Naval Science
28