Classification
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511 - General principles of mathematics
1
519 - Probabilities & applied mathematics
3
540 - Chemistry & allied sciences
2
549 - Mineralogy
1
550 - Earth sciences
8
551 - Geology, hydrology & meteorology
25
571 - Physiology & related subjects
6
572 - Biochemistry
2
576 - Genetics & evolution
1
577 - Ecology
14
580 - Plants (Botany)
1
581 - Specific topics in natural history
2
590 - Animals (Zoology)
1
600 - Technology
1
610 - Medicine & health
19
612 - Human physiology
3
613 - Personal health & safety
5
614 - Incidence & prevention of disease
2
615 - Pharmacology & therapeutics
1
616 - Diseases
24
617 - Surgery & related medical specialties
2
618 - Gynecology, obstetrics, pediatrics & geriatrics
7
620 - Engineering & allied operations
13
621 - Applied physics
10
623 - Military & nautical engineering
1
624 - Civil engineering
3
629 - Other branches of engineering
2
630 - Agriculture & related technologies
12
631 - Techniques, equipment & materials
3
634 - Orchards, fruits & forestry
2
636 - Animal husbandry
1
640 - Home & family management
1
641 - Food & drink
2
650 - Management & auxiliary services
2
658 - General management
21
660 - Chemical engineering
3
664 - Food technology
2
670 - Manufacturing
4
690 - Buildings
2
700 - The arts; fine & decorative arts
5
745 - Decorative arts
1
809 - History, description & criticism
1
900 - History & geography
1
910 - Geography & travel
10