Classification
620 - Engineering & allied operations
600 - Technology
65
700 - The arts; fine & decorative arts
54
900 - History & geography
39
333 - Economics of land & energy
33
363 - Other social problems & services
16
610 - Medicine & health
16
000 - Computer science, information & general works
15
540 - Chemistry & allied sciences
15
380 - Commerce, communications & transportation
12
414 - Phonology & phonetics
10
580 - Plants (Botany)
7
500 - Natural sciences & mathematics
6
140 - Specific philosophical schools
5
576 - Genetics & evolution
5
304 - Factors affecting social behavior
4
330 - Economics
4
530 - Physics
3
630 - Agriculture & related technologies
3
668 - Technology of other organic products
3
615 - Pharmacology & therapeutics
1
621 - Applied physics
1
664 - Food technology
1
681 - Precision instruments & other devices
1
688 - Other final products & packaging
1
720 - Architecture
1
745 - Decorative arts
1