Klassifikationsnummer
P - Language and Literature
13,871
D - World History
12,834
H - Social Science
4,209
B - Philosophy, Psychology, Religion
2,856
Z - Library Science
2,555
N - Fine Arts
1,960
M - Music
1,854
G - Geography, Anthropology, Recreation
1,739
K - Law
1,618
C - Historical Sciences
808
J - Political Science
591
A - General Works
546
Q - Science
544
T - Technology
424
L - Education
381
S - Agriculture
351
R - Medicine
350
E - United States History
246
F - General American History
187
U - Military Science
101
V - Naval Science
64