CLASSIFICATION
A - Treballs generalss
81
C - Historical Sciences
6
D - World History
6
B - Filosofia, Psicologia, Religió
5
Q - Science
5
G - Geography, Anthropology, Recreation
2
P - Language and Literature
2
E - United States History
1
F - General American History
1
N - Fine Arts
1
T - Technology
1
Z - Library Science
1