Classification
610 - Medicine & health
98
700 - The arts; fine & decorative arts
61
000 - Computer science, information & general works
55
580 - Plants (Botany)
49
540 - Chemistry & allied sciences
46
615 - Pharmacology & therapeutics
35
547 - Organic chemistry
31
140 - Specific philosophical schools
27
600 - Technology
26
333 - Economics of land & energy
20
363 - Other social problems & services
18
620 - Engineering & allied operations
15
304 - Factors affecting social behavior
14
576 - Genetics & evolution
14
330 - Economics
13
500 - Natural sciences & mathematics
12
581 - Specific topics in natural history
9
380 - Commerce, communications & transportation
7
660 - Chemical engineering
5
800 - Literature & rhetoric
5
572 - Biochemistry
4
630 - Agriculture & related technologies
4
664 - Food technology
4
900 - History & geography
4
414 - Phonology & phonetics
3
632 - Plant injuries, diseases & pests
3
301 - Sociology & anthropology
2
320 - Political science
2
530 - Physics
2
541 - Physical chemistry
2
551 - Geology, hydrology & meteorology
2
574 - [Unassigned]
2
612 - Human physiology
2
631 - Techniques, equipment & materials
2
668 - Technology of other organic products
2
170 - Ethics
1
340 - Law
1
400 - Language
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
570 - Life sciences; biology
1
616 - Diseases
1
641 - Food & drink
1
661 - Industrial chemicals
1
702 - Miscellany of fine & decorative arts
1
791 - Public performances
1