Ταξιθετικός Αριθμός
L - Education
68
H - Social Science
16
Q - Science
9
R - Medicine
8
P - Language and Literature
7
G - Geography, Anthropology, Recreation
5
T - Technology
3
B - Philosophy, Psychology, Religion
2
N - Fine Arts
2
Z - Library Science
2
E - United States History
1
F - General American History
1
M - Music
1
S - Agriculture
1