Classification
500 - Natural sciences & mathematics
600 - Technology
000 - Computer science, information & general works
3
576 - Genetics & evolution
3
700 - The arts; fine & decorative arts
3
610 - Medicine & health
2
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
630 - Agriculture & related technologies
1