סימן המיקום
Q - Science
24
P - Language and Literature
17
D - World History
15
B - Philosophy, Psychology, Religion
12
R - Medicine
11
H - Social Science
9
G - Geography, Anthropology, Recreation
5
T - Technology
5
J - Political Science
4
M - Music
4
N - Fine Arts
4
K - Law
3
A - General Works
2
E - United States History
1
L - Education
1
S - Agriculture
1
Z - Library Science
1