Klassifikationsnummer
B - Philosophy, Psychology, Religion
32,739
D - World History
4,353
P - Language and Literature
1,760
M - Music
631
Z - Library Science
598
H - Social Science
579
N - Fine Arts
486
J - Political Science
421
E - United States History
228
F - General American History
172
R - Medicine
168
C - Historical Sciences
160
A - General Works
145
K - Law
133
G - Geography, Anthropology, Recreation
130
T - Technology
81
L - Education
78
Q - Science
57
S - Agriculture
22
U - Military Science
15
V - Naval Science
4