Klassifikationsnummer
D - World History
6,975
P - Language and Literature
2,277
H - Social Science
343
F - General American History
199
N - Fine Arts
198
B - Philosophy, Psychology, Religion
117
M - Music
106
J - Political Science
92
U - Military Science
71
Z - Library Science
60
T - Technology
55
K - Law
41
L - Education
41
C - Historical Sciences
34
R - Medicine
34
A - General Works
31
G - Geography, Anthropology, Recreation
25
E - United States History
22
V - Naval Science
10
Q - Science
5
S - Agriculture
1