Classification
000 - Computer science, information & general works
6
580 - Plants (Botany)
5
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
610 - Medicine & health
3
700 - The arts; fine & decorative arts
3
380 - Commerce, communications & transportation
2
414 - Phonology & phonetics
2
540 - Chemistry & allied sciences
2
612 - Human physiology
2
363 - Other social problems & services
1
576 - Genetics & evolution
1
600 - Technology
1
720 - Architecture
1