סימן המיקום
P - Language and Literature
40
H - Social Science
19
J - Political Science
15
D - World History
14
F - General American History
10
B - Philosophy, Psychology, Religion
7
G - Geography, Anthropology, Recreation
7
L - Education
6
N - Fine Arts
6
K - Law
5
Q - Science
3
C - Historical Sciences
2
T - Technology
2
A - General Works
1
R - Medicine
1
Z - Library Science
1