Classification
515 - Analysis
2,730
519 - Probabilities & applied mathematics
888
530 - Physics
751
620 - Engineering & allied operations
609
510 - Mathematics
535
518 - Numerical analysis
396
003 - Systems
390
006 - Special computer methods
384
621 - Applied physics
328
330 - Economics
295
512 - Algebra
285
516 - Geometry
237
500 - Natural sciences & mathematics
220
005 - Computer programming, programs & data
198
629 - Other branches of engineering
186
531 - Classical mechanics; solid mechanics
174
000 - Computer science, information & general works
166
004 - Data processing & computer science
146
300 - Social sciences
141
700 - The arts; fine & decorative arts
136
040 - [Unassigned]
118
001 - Knowledge
114
514 - Topology
114
551 - Geology, hydrology & meteorology
107
600 - Technology
104
333 - Economics of land & energy
101
570 - Life sciences; biology
100
511 - General principles of mathematics
88
658 - General management
80
539 - Modern physics
73
610 - Medicine & health
71
541 - Physical chemistry
67
900 - History & geography
67
550 - Earth sciences
57
576 - Genetics & evolution
55
363 - Other social problems & services
51
523 - Specific celestial bodies & phenomena
49
537 - Electricity & electronics
49
520 - Astronomy & allied sciences
47
660 - Chemical engineering
46
332 - Financial economics
45
380 - Commerce, communications & transportation
45
624 - Civil engineering
40
536 - Heat
36
340 - Law
35
062 - Organizations in British Isles; in England
26
670 - Manufacturing
26
338 - Production
25
370 - Education
25
571 - Physiology & related subjects
25
more ...