Classification
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571 - Physiology & related subjects
50
572 - Biochemistry
71
576 - Genetics & evolution
4
577 - Ecology
11
579 - Microorganisms, fungi & algae
1
580 - Plants (Botany)
4
595 - Arthropods
1
600 - Technology
5
610 - Medicine & health
23
613 - Personal health & safety
6
614 - Incidence & prevention of disease
2
615 - Pharmacology & therapeutics
18
616 - Diseases
18
620 - Engineering & allied operations
346
621 - Applied physics
126
624 - Civil engineering
4
628 - Sanitary & municipal engineering
6
629 - Other branches of engineering
5
630 - Agriculture & related technologies
3
631 - Techniques, equipment & materials
3
634 - Orchards, fruits & forestry
1
641 - Food & drink
17
660 - Chemical engineering
88
664 - Food technology
20
667 - Cleaning, color & coating technologies
2
670 - Manufacturing
7
671 - Metalworking & primary metal products
1
691 - Building materials
1
700 - The arts; fine & decorative arts
15
800 - Literature & rhetoric
3
900 - History & geography
8
930 - History of ancient world to ca. 499
1