Classification
000 - Computer science, information & general works
71
140 - Specific philosophical schools
19
304 - Factors affecting social behavior
9
330 - Economics
5
333 - Economics of land & energy
30
363 - Other social problems & services
14
370 - Education
1
380 - Commerce, communications & transportation
4
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
3
530 - Physics
2
540 - Chemistry & allied sciences
576 - Genetics & evolution
8
580 - Plants (Botany)
17
581 - Specific topics in natural history
2
600 - Technology
38
610 - Medicine & health
68
612 - Human physiology
1
615 - Pharmacology & therapeutics
12
620 - Engineering & allied operations
31
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
69
720 - Architecture
1
800 - Literature & rhetoric
2
900 - History & geography
3