Classification
000 - Computer science, information & general works
15
610 - Medicine & health
12
580 - Plants (Botany)
9
140 - Specific philosophical schools
7
333 - Economics of land & energy
6
700 - The arts; fine & decorative arts
6
540 - Chemistry & allied sciences
5
380 - Commerce, communications & transportation
4
414 - Phonology & phonetics
2
576 - Genetics & evolution
2
600 - Technology
2
612 - Human physiology
2
800 - Literature & rhetoric
2
363 - Other social problems & services
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
720 - Architecture
1