Classification
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549 - Mineralogy
3
550 - Earth sciences
5
551 - Geology, hydrology & meteorology
10
553 - Economic geology
1
570 - Life sciences; biology
7
571 - Physiology & related subjects
1
572 - Biochemistry
3
576 - Genetics & evolution
1
577 - Ecology
2
580 - Plants (Botany)
2
581 - Specific topics in natural history
1
591 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
12
612 - Human physiology
1
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
1
616 - Diseases
4
620 - Engineering & allied operations
76
621 - Applied physics
50
624 - Civil engineering
5
629 - Other branches of engineering
7
630 - Agriculture & related technologies
1
641 - Food & drink
2
658 - General management
21
660 - Chemical engineering
5
664 - Food technology
2
670 - Manufacturing
8
690 - Buildings
3
696 - Utilities
1
720 - Architecture
1
745 - Decorative arts
2
780 - Music
1
910 - Geography & travel
2