Klassifikationsnummer
D - World History
7,424
P - Language and Literature
4,072
N - Fine Arts
3,044
B - Philosophy, Psychology, Religion
1,630
H - Social Science
1,560
M - Music
1,285
G - Geography, Anthropology, Recreation
993
Z - Library Science
815
K - Law
621
T - Technology
527
C - Historical Sciences
485
L - Education
312
Q - Science
302
J - Political Science
280
A - General Works
216
R - Medicine
176
S - Agriculture
112
U - Military Science
62
F - General American History
32
E - United States History
27
V - Naval Science
11