Classification
333 - Economics of land & energy
13
610 - Medicine & health
12
700 - The arts; fine & decorative arts
10
000 - Computer science, information & general works
7
140 - Specific philosophical schools
6
414 - Phonology & phonetics
6
580 - Plants (Botany)
6
612 - Human physiology
6
380 - Commerce, communications & transportation
4
540 - Chemistry & allied sciences
4
600 - Technology
4
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
3
900 - History & geography
3
363 - Other social problems & services
2
500 - Natural sciences & mathematics
2
570 - Life sciences; biology
2
571 - Physiology & related subjects
2
572 - Biochemistry
2
579 - Microorganisms, fungi & algae
2
615 - Pharmacology & therapeutics
2
100 - Philosophy & psychology
1
304 - Factors affecting social behavior
1
370 - Education
1
541 - Physical chemistry
1
582 - Plants noted for characteristics & flowers
1
621 - Applied physics
1