Classification
530 - Physics
265
539 - Modern physics
22
541 - Physical chemistry
16
621 - Applied physics
13
620 - Engineering & allied operations
8
519 - Probabilities & applied mathematics
7
531 - Classical mechanics; solid mechanics
7
515 - Analysis
6
536 - Heat
6
004 - Data processing & computer science
4
512 - Algebra
4
514 - Topology
3
500 - Natural sciences & mathematics
2
534 - Sound & related vibrations
2
538 - Magnetism
2
005 - Computer programming, programs & data
1
040 - [Unassigned]
1
170 - Ethics
1
501 - Philosophy & theory
1
510 - Mathematics
1
516 - Geometry
1
523 - Specific celestial bodies & phenomena
1
535 - Light & infrared & ultraviolet phenomena
1
546 - Inorganic chemistry
1
550 - Earth sciences
1
572 - Biochemistry
1