Classification
540 - Chemistry & allied sciences
700 - The arts; fine & decorative arts
43
000 - Computer science, information & general works
38
600 - Technology
22
620 - Engineering & allied operations
21
333 - Economics of land & energy
19
610 - Medicine & health
19
900 - History & geography
17
363 - Other social problems & services
14
140 - Specific philosophical schools
12
380 - Commerce, communications & transportation
8
580 - Plants (Botany)
8
330 - Economics
5
414 - Phonology & phonetics
5
304 - Factors affecting social behavior
4
530 - Physics
4
576 - Genetics & evolution
4
630 - Agriculture & related technologies
4
370 - Education
2
551 - Geology, hydrology & meteorology
2
612 - Human physiology
2
615 - Pharmacology & therapeutics
2
720 - Architecture
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
320 - Political science
1
361 - Social problems & social welfare in general
1
400 - Language
1
590 - Animals (Zoology)
1
657 - Accounting
1
658 - General management
1