Classification
576 - Genetics & evolution
268
610 - Medicine & health
268
570 - Life sciences; biology
172
580 - Plants (Botany)
172
000 - Computer science, information & general works
145
581 - Specific topics in natural history
117
700 - The arts; fine & decorative arts
105
572 - Biochemistry
79
333 - Economics of land & energy
78
600 - Technology
72
571 - Physiology & related subjects
70
140 - Specific philosophical schools
66
660 - Chemical engineering
66
363 - Other social problems & services
60
500 - Natural sciences & mathematics
57
630 - Agriculture & related technologies
52
631 - Techniques, equipment & materials
52
616 - Diseases
49
620 - Engineering & allied operations
47
540 - Chemistry & allied sciences
36
380 - Commerce, communications & transportation
34
612 - Human physiology
30
579 - Microorganisms, fungi & algae
22
330 - Economics
21
551 - Geology, hydrology & meteorology
21
615 - Pharmacology & therapeutics
21
590 - Animals (Zoology)
19
304 - Factors affecting social behavior
17
414 - Phonology & phonetics
14
577 - Ecology
14
720 - Architecture
14
900 - History & geography
14
170 - Ethics
11
591 - Specific topics in natural history
11
611 - Human anatomy, cytology & histology
11
300 - Social sciences
8
340 - Law
8
599 - Mammals
8
636 - Animal husbandry
8
320 - Political science
7
592 - Invertebrates
7
658 - General management
7
664 - Food technology
7
800 - Literature & rhetoric
7
100 - Philosophy & psychology
6
370 - Education
6
006 - Special computer methods
5
400 - Language
5
301 - Sociology & anthropology
4
057 - Serials in Slavic languages
3
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