סימן המיקום
R - Medicine
158
H - Social Science
144
L - Education
125
Q - Science
94
T - Technology
59
P - Language and Literature
29
S - Agriculture
27
G - Geography, Anthropology, Recreation
23
B - Philosophy, Psychology, Religion
15
Z - Library Science
7
J - Political Science
6
M - Music
4
N - Fine Arts
4
A - General Works
2
C - Historical Sciences
2
K - Law
2
D - World History
1
E - United States History
1
F - General American History
1
U - Military Science
1