Classification
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
3
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
600 - Technology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1