Classification
100 - Philosophy & psychology
330 - Economics
380 - Commerce, communications & transportation
900 - History & geography
320 - Political science
4
600 - Technology
4
620 - Engineering & allied operations
4
300 - Social sciences
3
400 - Language
3
700 - The arts; fine & decorative arts
3
780 - Music
3
340 - Law
2
370 - Education
2
410 - Linguistics
2
140 - Specific philosophical schools
1
630 - Agriculture & related technologies
1
658 - General management
1