Classification
500 - Natural sciences & mathematics
1
510 - Mathematics
1
512 - Algebra
1
520 - Astronomy & allied sciences
6
526 - Mathematical geography
3
530 - Physics
18
535 - Light & infrared & ultraviolet phenomena
2
537 - Electricity & electronics
2
538 - Magnetism
1
539 - Modern physics
21
543 - Analytical chemistry
6
546 - Inorganic chemistry
1
549 - Mineralogy
3
550 - Earth sciences
3
571 - Physiology & related subjects
4
610 - Medicine & health
2
611 - Human anatomy, cytology & histology
1
616 - Diseases
3
620 - Engineering & allied operations
12
621 - Applied physics
11
693 - Specific materials & purposes
1