Klassifikationsnummer
D - World History
9,466
H - Social Science
2,311
P - Language and Literature
1,789
J - Political Science
648
N - Fine Arts
348
B - Philosophy, Psychology, Religion
315
M - Music
246
E - United States History
234
U - Military Science
192
K - Law
184
R - Medicine
152
L - Education
119
T - Technology
100
G - Geography, Anthropology, Recreation
93
C - Historical Sciences
75
A - General Works
53
Q - Science
38
F - General American History
34
Z - Library Science
24
S - Agriculture
13
V - Naval Science
11