Classification
600 - Technology
700 - The arts; fine & decorative arts
133
610 - Medicine & health
88
620 - Engineering & allied operations
85
540 - Chemistry & allied sciences
38
333 - Economics of land & energy
37
000 - Computer science, information & general works
34
900 - History & geography
34
580 - Plants (Botany)
29
363 - Other social problems & services
25
140 - Specific philosophical schools
23
330 - Economics
23
414 - Phonology & phonetics
15
380 - Commerce, communications & transportation
13
576 - Genetics & evolution
13
615 - Pharmacology & therapeutics
13
304 - Factors affecting social behavior
7
500 - Natural sciences & mathematics
7
630 - Agriculture & related technologies
7
370 - Education
4
581 - Specific topics in natural history
4
612 - Human physiology
4
170 - Ethics
3
340 - Law
3
100 - Philosophy & psychology
2
320 - Political science
2
530 - Physics
2
720 - Architecture
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
364 - Criminology
1
800 - Literature & rhetoric
1