Classification
610 - Medicine & health
22
700 - The arts; fine & decorative arts
18
580 - Plants (Botany)
16
000 - Computer science, information & general works
15
540 - Chemistry & allied sciences
10
600 - Technology
10
140 - Specific philosophical schools
8
333 - Economics of land & energy
8
620 - Engineering & allied operations
6
304 - Factors affecting social behavior
5
330 - Economics
5
363 - Other social problems & services
5
630 - Agriculture & related technologies
5
632 - Plant injuries, diseases & pests
5
581 - Specific topics in natural history
4
615 - Pharmacology & therapeutics
4
900 - History & geography
4
576 - Genetics & evolution
3
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
547 - Organic chemistry
2
574 - [Unassigned]
2
628 - Sanitary & municipal engineering
2
664 - Food technology
2
170 - Ethics
1
340 - Law
1
530 - Physics
1
543 - Analytical chemistry
1
551 - Geology, hydrology & meteorology
1
637 - Processing dairy & related products
1
660 - Chemical engineering
1
663 - Beverage technology
1