סימן המיקום
Q - Science
969
H - Social Science
138
T - Technology
123
L - Education
37
B - Philosophy, Psychology, Religion
22
R - Medicine
12
G - Geography, Anthropology, Recreation
10
P - Language and Literature
10
N - Fine Arts
5
S - Agriculture
5
F - General American History
2
Z - Library Science
2
D - World History
1
E - United States History
1
J - Political Science
1
M - Music
1