Classification
700 - The arts; fine & decorative arts
17
000 - Computer science, information & general works
16
610 - Medicine & health
14
580 - Plants (Botany)
10
540 - Chemistry & allied sciences
9
333 - Economics of land & energy
8
140 - Specific philosophical schools
7
363 - Other social problems & services
5
900 - History & geography
5
600 - Technology
4
330 - Economics
3
615 - Pharmacology & therapeutics
3
620 - Engineering & allied operations
3
632 - Plant injuries, diseases & pests
3
664 - Food technology
3
304 - Factors affecting social behavior
2
541 - Physical chemistry
2
551 - Geology, hydrology & meteorology
2
570 - Life sciences; biology
2
616 - Diseases
2
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
543 - Analytical chemistry
1
547 - Organic chemistry
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
599 - Mammals
1
612 - Human physiology
1
628 - Sanitary & municipal engineering
1
636 - Animal husbandry
1
637 - Processing dairy & related products
1
663 - Beverage technology
1