Classification
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540 - Chemistry & allied sciences
18
541 - Physical chemistry
39
543 - Analytical chemistry
37
546 - Inorganic chemistry
7
547 - Organic chemistry
22
548 - Crystallography
3
549 - Mineralogy
1
550 - Earth sciences
8
551 - Geology, hydrology & meteorology
14
553 - Economic geology
2
570 - Life sciences; biology
9
571 - Physiology & related subjects
13
572 - Biochemistry
26
574 - [Unassigned]
1
576 - Genetics & evolution
4
577 - Ecology
3
579 - Microorganisms, fungi & algae
8
580 - Plants (Botany)
16
581 - Specific topics in natural history
1
600 - Technology
59
610 - Medicine & health
31
611 - Human anatomy, cytology & histology
1
612 - Human physiology
7
615 - Pharmacology & therapeutics
6
616 - Diseases
19
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
167
621 - Applied physics
272
624 - Civil engineering
6
628 - Sanitary & municipal engineering
2
629 - Other branches of engineering
16
630 - Agriculture & related technologies
4
632 - Plant injuries, diseases & pests
1
641 - Food & drink
2
650 - Management & auxiliary services
2
658 - General management
3
660 - Chemical engineering
12
661 - Industrial chemicals
1
662 - Explosives, fuels & related products
1
664 - Food technology
5
667 - Cleaning, color & coating technologies
2
668 - Technology of other organic products
5
670 - Manufacturing
2
677 - Textiles
1
686 - Printing & related activities
1
690 - Buildings
1
700 - The arts; fine & decorative arts
50
702 - Miscellany of fine & decorative arts
1
720 - Architecture
1
745 - Decorative arts
2
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