Ταξιθετικός Αριθμός
H - Social Science
133
Z - Library Science
10
J - Political Science
9
T - Technology
9
D - World History
8
L - Education
6
R - Medicine
6
K - Law
5
P - Language and Literature
3
G - Geography, Anthropology, Recreation
2
Q - Science
2
B - Philosophy, Psychology, Religion
1
S - Agriculture
1
U - Military Science
1
V - Naval Science
1