Klassifikationsnummer
P - Language and Literature
2,013
N - Fine Arts
1,610
D - World History
1,048
H - Social Science
310
B - Philosophy, Psychology, Religion
260
M - Music
233
F - General American History
199
T - Technology
151
C - Historical Sciences
126
E - United States History
112
G - Geography, Anthropology, Recreation
93
K - Law
92
R - Medicine
76
Q - Science
74
Z - Library Science
62
L - Education
55
J - Political Science
52
U - Military Science
48
A - General Works
44
S - Agriculture
31
V - Naval Science
7