Classification
610 - Medicine & health
410
700 - The arts; fine & decorative arts
155
000 - Computer science, information & general works
127
333 - Economics of land & energy
82
580 - Plants (Botany)
73
540 - Chemistry & allied sciences
72
140 - Specific philosophical schools
69
570 - Life sciences; biology
66
363 - Other social problems & services
63
330 - Economics
61
615 - Pharmacology & therapeutics
53
380 - Commerce, communications & transportation
50
600 - Technology
48
620 - Engineering & allied operations
39
576 - Genetics & evolution
27
304 - Factors affecting social behavior
25
612 - Human physiology
20
500 - Natural sciences & mathematics
18
581 - Specific topics in natural history
17
900 - History & geography
15
632 - Plant injuries, diseases & pests
13
616 - Diseases
11
668 - Technology of other organic products
11
630 - Agriculture & related technologies
9
800 - Literature & rhetoric
9
414 - Phonology & phonetics
8
547 - Organic chemistry
8
574 - [Unassigned]
8
664 - Food technology
7
530 - Physics
6
551 - Geology, hydrology & meteorology
6
628 - Sanitary & municipal engineering
5
320 - Political science
4
660 - Chemical engineering
4
300 - Social sciences
3
572 - Biochemistry
3
613 - Personal health & safety
3
720 - Architecture
3
120 - Epistemology, causation & humankind
2
340 - Law
2
370 - Education
2
400 - Language
2
546 - Inorganic chemistry
2
614 - Incidence & prevention of disease
2
631 - Techniques, equipment & materials
2
025 - Library operations
1
100 - Philosophy & psychology
1
170 - Ethics
1
410 - Linguistics
1
541 - Physical chemistry
1
more ...