Classification
330 - Economics
610 - Medicine & health
658 - General management
363 - Other social problems & services
5
600 - Technology
5
333 - Economics of land & energy
4
630 - Agriculture & related technologies
4
000 - Computer science, information & general works
3
140 - Specific philosophical schools
3
380 - Commerce, communications & transportation
3
580 - Plants (Botany)
3
700 - The arts; fine & decorative arts
3
300 - Social sciences
2
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
158 - Applied psychology
1
302 - Social interaction
1
338 - Production
1
370 - Education
1
615 - Pharmacology & therapeutics
1
650 - Management & auxiliary services
1
800 - Literature & rhetoric
1
900 - History & geography
1