Ταξιθετικός Αριθμός
P - Language and Literature
8.437
H - Social Science
3.179
B - Philosophy, Psychology, Religion
2.162
D - World History
1.570
F - General American History
1.393
L - Education
1.106
T - Technology
1.093
K - Law
1.092
J - Political Science
982
Q - Science
905
R - Medicine
693
N - Fine Arts
612
G - Geography, Anthropology, Recreation
457
M - Music
172
Z - Library Science
157
E - United States History
152
C - Historical Sciences
119
S - Agriculture
88
U - Military Science
49
A - General Works
43
V - Naval Science
16