Ταξιθετικός Αριθμός
A - General Works
43
B - Philosophy, Psychology, Religion
2.162
C - Historical Sciences
119
D - World History
1.570
E - United States History
152
F - General American History
1.393
G - Geography, Anthropology, Recreation
457
H - Social Science
3.180
J - Political Science
982
K - Law
1.092
L - Education
1.107
M - Music
172
N - Fine Arts
612
P - Language and Literature
8.440
Q - Science
905
R - Medicine
693
S - Agriculture
88
T - Technology
1.094
U - Military Science
49
V - Naval Science
16
Z - Library Science
161