Classification
000 - Computer science, information & general works
161
003 - Systems
2
006 - Special computer methods
5
062 - Organizations in British Isles; in England
11
100 - Philosophy & psychology
1
140 - Specific philosophical schools
31
170 - Ethics
1
304 - Factors affecting social behavior
12
320 - Political science
3
330 - Economics
40
333 - Economics of land & energy
155
338 - Production
3
340 - Law
11
344 - Labor, social, education & cultural law
1
362 - Social welfare problems & services
1
363 - Other social problems & services
73
370 - Education
4
380 - Commerce, communications & transportation
55
381 - Commerce
2
400 - Language
1
410 - Linguistics
1
414 - Phonology & phonetics
47
500 - Natural sciences & mathematics
25
502 - Miscellany
1
514 - Topology
1
515 - Analysis
1
520 - Astronomy & allied sciences
1
530 - Physics
112
531 - Classical mechanics; solid mechanics
8
534 - Sound & related vibrations
1
535 - Light & infrared & ultraviolet phenomena
2
536 - Heat
5
537 - Electricity & electronics
2
538 - Magnetism
2
539 - Modern physics
7
540 - Chemistry & allied sciences
173
541 - Physical chemistry
129
542 - Techniques, equipment & materials
4
543 - Analytical chemistry
37
546 - Inorganic chemistry
59
547 - Organic chemistry
188
548 - Crystallography
2
551 - Geology, hydrology & meteorology
8
570 - Life sciences; biology
9
571 - Physiology & related subjects
11
572 - Biochemistry
21
574 - [Unassigned]
2
576 - Genetics & evolution
25
577 - Ecology
9
578 - Natural history of organisms
1
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