Klassifikationsnummer
P - Language and Literature
4,383
D - World History
2,445
F - General American History
2,240
H - Social Science
2,108
B - Philosophy, Psychology, Religion
961
J - Political Science
593
K - Law
506
L - Education
461
N - Fine Arts
403
Q - Science
324
A - General Works
286
G - Geography, Anthropology, Recreation
264
T - Technology
249
M - Music
241
E - United States History
211
R - Medicine
196
Z - Library Science
162
C - Historical Sciences
141
U - Military Science
69
S - Agriculture
41
V - Naval Science
29