Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
363 - Other social problems & services
658 - General management
610 - Medicine & health
5
700 - The arts; fine & decorative arts
5
330 - Economics
4
600 - Technology
4
620 - Engineering & allied operations
4
333 - Economics of land & energy
3
380 - Commerce, communications & transportation
3
551 - Geology, hydrology & meteorology
3
630 - Agriculture & related technologies
3
576 - Genetics & evolution
2
300 - Social sciences
1
320 - Political science
1
370 - Education
1
720 - Architecture
1
900 - History & geography
1