Classification
333 - Economics of land & energy
8
330 - Economics
5
000 - Computer science, information & general works
4
600 - Technology
4
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
140 - Specific philosophical schools
1
320 - Political science
1
363 - Other social problems & services
1
370 - Education
1
500 - Natural sciences & mathematics
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
658 - General management
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
900 - History & geography
1