Classification
000 - Computer science, information & general works
7
001 - Knowledge
2
003 - Systems
5
006 - Special computer methods
8
062 - Organizations in British Isles; in England
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
3
153 - Mental processes & intelligence
1
155 - Differential & developmental psychology
1
170 - Ethics
1
300 - Social sciences
1
307 - Communities
1
320 - Political science
1
330 - Economics
12
331 - Labor economics
3
333 - Economics of land & energy
39
338 - Production
2
340 - Law
3
363 - Other social problems & services
24
370 - Education
3
371 - Schools & their activities; special education
1
380 - Commerce, communications & transportation
8
414 - Phonology & phonetics
6
500 - Natural sciences & mathematics
58
502 - Miscellany
1
507 - Education, research & related topics
1
509 - Historical, geographic & persons treatment
2
510 - Mathematics
4
515 - Analysis
1
518 - Numerical analysis
2
519 - Probabilities & applied mathematics
8
520 - Astronomy & allied sciences
1
523 - Specific celestial bodies & phenomena
1
530 - Physics
108
531 - Classical mechanics; solid mechanics
73
532 - Fluid mechanics; liquid mechanics
1
534 - Sound & related vibrations
3
535 - Light & infrared & ultraviolet phenomena
3
536 - Heat
3
537 - Electricity & electronics
7
538 - Magnetism
10
539 - Modern physics
17
540 - Chemistry & allied sciences
51
541 - Physical chemistry
91
542 - Techniques, equipment & materials
1
543 - Analytical chemistry
16
546 - Inorganic chemistry
23
547 - Organic chemistry
13
548 - Crystallography
13
549 - Mineralogy
7
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