Topogràfic
P - Language and Literature
31
D - World History
14
H - Social Science
13
B - Filosofia, Psicologia, Religió
10
C - Historical Sciences
6
G - Geography, Anthropology, Recreation
4
J - Political Science
3
L - Education
3
F - General American History
2
K - Law
2
R - Medicine
2
N - Fine Arts
1
Q - Science
1
T - Technology
1
V - Naval Science
1
Z - Library Science
1