Classification
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572 - Biochemistry
70
576 - Genetics & evolution
4
577 - Ecology
11
579 - Microorganisms, fungi & algae
1
580 - Plants (Botany)
4
592 - Invertebrates
1
600 - Technology
4
610 - Medicine & health
23
613 - Personal health & safety
7
614 - Incidence & prevention of disease
2
615 - Pharmacology & therapeutics
18
616 - Diseases
15
620 - Engineering & allied operations
302
621 - Applied physics
104
624 - Civil engineering
4
628 - Sanitary & municipal engineering
5
629 - Other branches of engineering
4
630 - Agriculture & related technologies
3
631 - Techniques, equipment & materials
3
634 - Orchards, fruits & forestry
1
641 - Food & drink
17
660 - Chemical engineering
85
664 - Food technology
20
667 - Cleaning, color & coating technologies
2
670 - Manufacturing
8
671 - Metalworking & primary metal products
1
691 - Building materials
1
700 - The arts; fine & decorative arts
9
900 - History & geography
3
930 - History of ancient world to ca. 499
1