Classification
616 - Diseases
104
610 - Medicine & health
45
571 - Physiology & related subjects
27
572 - Biochemistry
20
599 - Mammals
20
611 - Human anatomy, cytology & histology
20
630 - Agriculture & related technologies
19
580 - Plants (Botany)
17
570 - Life sciences; biology
16
576 - Genetics & evolution
13
577 - Ecology
12
581 - Specific topics in natural history
12
579 - Microorganisms, fungi & algae
11
617 - Surgery & related medical specialties
11
618 - Gynecology, obstetrics, pediatrics & geriatrics
10
660 - Chemical engineering
8
333 - Economics of land & energy
6
519 - Probabilities & applied mathematics
6
612 - Human physiology
6
614 - Incidence & prevention of disease
6
615 - Pharmacology & therapeutics
6
000 - Computer science, information & general works
5
300 - Social sciences
5
634 - Orchards, fruits & forestry
5
001 - Knowledge
4
700 - The arts; fine & decorative arts
4
140 - Specific philosophical schools
3
301 - Sociology & anthropology
3
380 - Commerce, communications & transportation
3
540 - Chemistry & allied sciences
3
591 - Specific topics in natural history
3
631 - Techniques, equipment & materials
3
150 - Psychology
2
174 - Occupational ethics
2
363 - Other social problems & services
2
370 - Education
2
500 - Natural sciences & mathematics
2
636 - Animal husbandry
2
006 - Special computer methods
1
050 - General serial publications
1
152 - Perception, movement, emotions & drives
1
155 - Differential & developmental psychology
1
170 - Ethics
1
304 - Factors affecting social behavior
1
306 - Culture & institutions
1
338 - Production
1
368 - Insurance
1
417 - Dialectology & historical linguistics
1
501 - Philosophy & theory
1
509 - Historical, geographic & persons treatment
1
more ...