Klassifikationsnummer
D - World History
56,245
B - Philosophy, Psychology, Religion
10,364
H - Social Science
8,901
F - General American History
7,503
P - Language and Literature
5,816
K - Law
4,541
J - Political Science
4,481
E - United States History
3,625
C - Historical Sciences
3,518
Z - Library Science
3,467
A - General Works
2,286
L - Education
1,691
N - Fine Arts
1,496
G - Geography, Anthropology, Recreation
758
M - Music
704
U - Military Science
592
R - Medicine
590
T - Technology
532
Q - Science
518
S - Agriculture
243
V - Naval Science
121