Signatura
E - United States History
125
P - Language and Literature
124
H - Social Science
38
N - Fine Arts
32
F - General American History
17
B - Philosophy, Psychology, Religion
13
T - Technology
7
G - Geography, Anthropology, Recreation
6
J - Political Science
6
R - Medicine
6
K - Law
5
L - Education
5
Q - Science
5
Z - Library Science
4
S - Agriculture
3
M - Music
2
C - Historical Sciences
1
D - World History
1
U - Military Science
1