Ταξιθετικός Αριθμός
A - General Works
2
B - Philosophy, Psychology, Religion
39
C - Historical Sciences
17
D - World History
129
E - United States History
4
F - General American History
9
G - Geography, Anthropology, Recreation
19
H - Social Science
148
J - Political Science
65
K - Law
48
L - Education
29
M - Music
4
N - Fine Arts
13
P - Language and Literature
46
Q - Science
1
R - Medicine
6
S - Agriculture
1
T - Technology
6
U - Military Science
6
Z - Library Science
5