Klassifikationsnummer
H - Social Science
27,280
P - Language and Literature
21,034
D - World History
17,700
M - Music
12,884
B - Philosophy, Psychology, Religion
12,142
K - Law
10,498
J - Political Science
5,923
G - Geography, Anthropology, Recreation
5,085
L - Education
4,764
S - Agriculture
3,274
N - Fine Arts
2,502
T - Technology
2,370
Q - Science
1,887
R - Medicine
1,617
Z - Library Science
1,083
U - Military Science
1,054
A - General Works
416
C - Historical Sciences
317
V - Naval Science
211
F - General American History
78
E - United States History
62