Classification
330 - Economics
9
320 - Political science
5
304 - Factors affecting social behavior
3
900 - History & geography
3
981 - Brazil
3
363 - Other social problems & services
2
610 - Medicine & health
2
800 - Literature & rhetoric
2
070 - News media, journalism & publishing
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
200 - Religion
1
305 - Social groups
1
333 - Economics of land & energy
1
338 - Production
1
340 - Law
1
370 - Education
1
400 - Language
1
576 - Genetics & evolution
1
700 - The arts; fine & decorative arts
1
770 - Photography, photographs & computer art
1
780 - Music
1
869 - Portuguese literature
1