Signatura
D - World History
126
P - Language and Literature
58
H - Social Science
32
B - Philosophy, Psychology, Religion
28
N - Fine Arts
13
G - Geography, Anthropology, Recreation
12
E - United States History
11
L - Education
11
C - Historical Sciences
10
F - General American History
7
R - Medicine
7
K - Law
6
M - Music
6
Q - Science
5
Z - Library Science
4
J - Political Science
3
T - Technology
2