Classification
620 - Engineering & allied operations
99
621 - Applied physics
71
530 - Physics
33
541 - Physical chemistry
17
537 - Electricity & electronics
7
538 - Magnetism
6
333 - Economics of land & energy
5
539 - Modern physics
5
535 - Light & infrared & ultraviolet phenomena
4
670 - Manufacturing
4
531 - Classical mechanics; solid mechanics
3
600 - Technology
3
667 - Cleaning, color & coating technologies
3
380 - Commerce, communications & transportation
2
540 - Chemistry & allied sciences
2
610 - Medicine & health
2
004 - Data processing & computer science
1
331 - Labor economics
1
338 - Production
1
510 - Mathematics
1
542 - Techniques, equipment & materials
1
543 - Analytical chemistry
1
547 - Organic chemistry
1
548 - Crystallography
1
571 - Physiology & related subjects
1
576 - Genetics & evolution
1
629 - Other branches of engineering
1
660 - Chemical engineering
1
700 - The arts; fine & decorative arts
1
745 - Decorative arts
1