Classification
530 - Physics
72
620 - Engineering & allied operations
64
621 - Applied physics
27
571 - Physiology & related subjects
26
543 - Analytical chemistry
23
006 - Special computer methods
16
572 - Biochemistry
16
541 - Physical chemistry
14
537 - Electricity & electronics
8
616 - Diseases
8
539 - Modern physics
7
300 - Social sciences
6
546 - Inorganic chemistry
6
548 - Crystallography
6
551 - Geology, hydrology & meteorology
6
001 - Knowledge
5
570 - Life sciences; biology
5
660 - Chemical engineering
5
500 - Natural sciences & mathematics
4
549 - Mineralogy
3
550 - Earth sciences
3
062 - Organizations in British Isles; in England
2
526 - Mathematical geography
2
535 - Light & infrared & ultraviolet phenomena
2
538 - Magnetism
2
580 - Plants (Botany)
2
610 - Medicine & health
2
611 - Human anatomy, cytology & histology
2
630 - Agriculture & related technologies
2
003 - Systems
1
040 - [Unassigned]
1
050 - General serial publications
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
512 - Algebra
1
519 - Probabilities & applied mathematics
1
520 - Astronomy & allied sciences
1
531 - Classical mechanics; solid mechanics
1
534 - Sound & related vibrations
1
536 - Heat
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
577 - Ecology
1
579 - Microorganisms, fungi & algae
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
617 - Surgery & related medical specialties
1
628 - Sanitary & municipal engineering
1
634 - Orchards, fruits & forestry
1
641 - Food & drink
1
more ...