Topogràfic
A - Treballs generalss
545
B - Filosofia, Psicologia, Religió
9,316
C - Historical Sciences
701
D - World History
3,324
E - United States History
358
F - General American History
3,801
G - Geography, Anthropology, Recreation
3,412
H - Social Science
20,930
J - Political Science
4,684
K - Law
7,160
L - Education
8,972
M - Music
601
N - Fine Arts
2,412
P - Language and Literature
18,102
Q - Science
8,118
R - Medicine
8,214
S - Agriculture
3,684
T - Technology
6,833
U - Military Science
210
V - Naval Science
47
Z - Library Science
1,035