Classification
621 - Applied physics
1,014
629 - Other branches of engineering
66
620 - Engineering & allied operations
53
004 - Data processing & computer science
42
519 - Probabilities & applied mathematics
31
003 - Systems
27
658 - General management
18
537 - Electricity & electronics
15
005 - Computer programming, programs & data
13
006 - Special computer methods
11
535 - Light & infrared & ultraviolet phenomena
8
670 - Manufacturing
8
541 - Physical chemistry
5
624 - Civil engineering
5
650 - Management & auxiliary services
5
333 - Economics of land & energy
4
509 - Historical, geographic & persons treatment
4
610 - Medicine & health
4
338 - Production
3
363 - Other social problems & services
3
530 - Physics
3
628 - Sanitary & municipal engineering
3
303 - Social processes
2
330 - Economics
2
538 - Magnetism
2
660 - Chemical engineering
2
910 - Geography & travel
2
374 - Adult education
1
410 - Linguistics
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
1
515 - Analysis
1
526 - Mathematical geography
1
531 - Classical mechanics; solid mechanics
1
534 - Sound & related vibrations
1
536 - Heat
1
539 - Modern physics
1
550 - Earth sciences
1
616 - Diseases
1
617 - Surgery & related medical specialties
1
627 - Hydraulic engineering
1
690 - Buildings
1
808 - Rhetoric & collections of literature
1