Classification
000 - Computer science, information & general works
127
003 - Systems
3
004 - Data processing & computer science
4
005 - Computer programming, programs & data
1
006 - Special computer methods
5
062 - Organizations in British Isles; in England
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
36
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
14
320 - Political science
3
330 - Economics
43
333 - Economics of land & energy
116
340 - Law
15
350 - Public administration & military science
1
363 - Other social problems & services
73
370 - Education
4
380 - Commerce, communications & transportation
29
389 - Metrology & standardization
1
400 - Language
1
414 - Phonology & phonetics
29
500 - Natural sciences & mathematics
24
502 - Miscellany
1
510 - Mathematics
1
515 - Analysis
4
516 - Geometry
1
518 - Numerical analysis
1
519 - Probabilities & applied mathematics
13
520 - Astronomy & allied sciences
3
523 - Specific celestial bodies & phenomena
2
530 - Physics
260
531 - Classical mechanics; solid mechanics
152
534 - Sound & related vibrations
10
535 - Light & infrared & ultraviolet phenomena
5
536 - Heat
20
537 - Electricity & electronics
38
538 - Magnetism
17
539 - Modern physics
33
540 - Chemistry & allied sciences
70
541 - Physical chemistry
147
542 - Techniques, equipment & materials
1
543 - Analytical chemistry
78
546 - Inorganic chemistry
61
547 - Organic chemistry
20
548 - Crystallography
21
549 - Mineralogy
14
550 - Earth sciences
6
551 - Geology, hydrology & meteorology
12
553 - Economic geology
2
more ...