Klassifikationsnummer
B - Philosophy, Psychology, Religion
60,969
D - World History
6,706
P - Language and Literature
2,212
H - Social Science
1,210
M - Music
939
Z - Library Science
651
N - Fine Arts
589
E - United States History
474
J - Political Science
429
R - Medicine
366
K - Law
349
T - Technology
268
C - Historical Sciences
247
G - Geography, Anthropology, Recreation
245
F - General American History
239
A - General Works
230
L - Education
215
Q - Science
95
S - Agriculture
39
U - Military Science
28
V - Naval Science
6