סימן המיקום
P - Language and Literature
1,172
M - Music
50
B - Philosophy, Psychology, Religion
10
F - General American History
10
D - World History
6
H - Social Science
6
N - Fine Arts
6
G - Geography, Anthropology, Recreation
3
T - Technology
3
L - Education
2
A - General Works
1
C - Historical Sciences
1
R - Medicine
1