Classification
320 - Political science
7
330 - Economics
5
900 - History & geography
5
300 - Social sciences
4
340 - Law
4
630 - Agriculture & related technologies
3
700 - The arts; fine & decorative arts
3
981 - Brazil
3
140 - Specific philosophical schools
1
200 - Religion
1
305 - Social groups
1
394 - General customs
1
720 - Architecture
1
800 - Literature & rhetoric
1
820 - English & Old English literatures
1
869 - Portuguese literature
1