Classification
616 - Diseases
330
617 - Surgery & related medical specialties
104
610 - Medicine & health
88
006 - Special computer methods
64
571 - Physiology & related subjects
61
363 - Other social problems & services
16
700 - The arts; fine & decorative arts
15
570 - Life sciences; biology
13
620 - Engineering & allied operations
9
540 - Chemistry & allied sciences
8
000 - Computer science, information & general works
7
140 - Specific philosophical schools
7
333 - Economics of land & energy
7
615 - Pharmacology & therapeutics
6
618 - Gynecology, obstetrics, pediatrics & geriatrics
6
061 - Organizations in North America
5
572 - Biochemistry
5
579 - Microorganisms, fungi & algae
5
600 - Technology
4
611 - Human anatomy, cytology & histology
4
380 - Commerce, communications & transportation
3
614 - Incidence & prevention of disease
3
304 - Factors affecting social behavior
2
320 - Political science
2
330 - Economics
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
612 - Human physiology
2
621 - Applied physics
2
800 - Literature & rhetoric
2
005 - Computer programming, programs & data
1
062 - Organizations in British Isles; in England
1
144 - Humanism & related systems
1
150 - Psychology
1
370 - Education
1
414 - Phonology & phonetics
1
530 - Physics
1
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1
636 - Animal husbandry
1
641 - Food & drink
1
664 - Food technology
1
900 - History & geography
1