סימן המיקום
N - Fine Arts
47,407
D - World History
13,128
F - General American History
6,476
H - Social Science
1,688
T - Technology
1,342
B - Philosophy, Psychology, Religion
1,029
L - Education
578
P - Language and Literature
523
G - Geography, Anthropology, Recreation
486
S - Agriculture
426
Z - Library Science
397
U - Military Science
261
M - Music
237
A - General Works
236
R - Medicine
223
C - Historical Sciences
163
K - Law
104
Q - Science
91
E - United States History
89
J - Political Science
66
V - Naval Science
57