Ταξιθετικός Αριθμός
H - Social Science
4.446
R - Medicine
2.584
Q - Science
1.887
L - Education
1.635
T - Technology
1.567
P - Language and Literature
697
K - Law
572
B - Philosophy, Psychology, Religion
513
G - Geography, Anthropology, Recreation
398
Z - Library Science
321
S - Agriculture
314
D - World History
303
J - Political Science
228
A - General Works
193
N - Fine Arts
138
E - United States History
122
M - Music
107
F - General American History
95
U - Military Science
87
C - Historical Sciences
73
V - Naval Science
27