סימן המיקום
R - Medicine
51
L - Education
33
Q - Science
32
P - Language and Literature
21
T - Technology
18
H - Social Science
15
G - Geography, Anthropology, Recreation
6
B - Philosophy, Psychology, Religion
4
K - Law
4
D - World History
3
F - General American History
2
J - Political Science
1
N - Fine Arts
1
Z - Library Science
1