Classification
616 - Diseases
108
610 - Medicine & health
28
571 - Physiology & related subjects
14
572 - Biochemistry
14
615 - Pharmacology & therapeutics
14
612 - Human physiology
10
617 - Surgery & related medical specialties
8
618 - Gynecology, obstetrics, pediatrics & geriatrics
8
620 - Engineering & allied operations
8
579 - Microorganisms, fungi & algae
7
500 - Natural sciences & mathematics
5
004 - Data processing & computer science
4
613 - Personal health & safety
4
006 - Special computer methods
3
519 - Probabilities & applied mathematics
3
005 - Computer programming, programs & data
2
057 - Serials in Slavic languages
2
061 - Organizations in North America
2
150 - Psychology
2
520 - Astronomy & allied sciences
2
539 - Modern physics
2
577 - Ecology
2
580 - Plants (Botany)
2
614 - Incidence & prevention of disease
2
621 - Applied physics
2
660 - Chemical engineering
2
000 - Computer science, information & general works
1
001 - Knowledge
1
003 - Systems
1
025 - Library operations
1
027 - General libraries
1
140 - Specific philosophical schools
1
300 - Social sciences
1
307 - Communities
1
330 - Economics
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
381 - Commerce
1
530 - Physics
1
541 - Physical chemistry
1
543 - Analytical chemistry
1
551 - Geology, hydrology & meteorology
1
554 - Earth sciences of Europe
1
570 - Life sciences; biology
1
600 - Technology
1
630 - Agriculture & related technologies
1
634 - Orchards, fruits & forestry
1
636 - Animal husbandry
1