Classification
000 - Computer science, information & general works
6
140 - Specific philosophical schools
5
300 - Social sciences
1
320 - Political science
1
330 - Economics
5
333 - Economics of land & energy
5
363 - Other social problems & services
370 - Education
2
380 - Commerce, communications & transportation
4
551 - Geology, hydrology & meteorology
3
580 - Plants (Botany)
3
600 - Technology
4
610 - Medicine & health
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
3
658 - General management
700 - The arts; fine & decorative arts
4
720 - Architecture
1