Classification
140 - Specific philosophical schools
580 - Plants (Botany)
600 - Technology
700 - The arts; fine & decorative arts
620 - Engineering & allied operations
18
363 - Other social problems & services
14
900 - History & geography
14
610 - Medicine & health
13
333 - Economics of land & energy
7
380 - Commerce, communications & transportation
5
340 - Law
4
000 - Computer science, information & general works
3
170 - Ethics
3
330 - Economics
3
414 - Phonology & phonetics
3
576 - Genetics & evolution
3
630 - Agriculture & related technologies
3
658 - General management
3
720 - Architecture
3
300 - Social sciences
2
320 - Political science
2
800 - Literature & rhetoric
2
400 - Language
1
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1