Classification
571 - Physiology & related subjects
3
610 - Medicine & health
2
616 - Diseases
2
621 - Applied physics
2
000 - Computer science, information & general works
1
001 - Knowledge
1
005 - Computer programming, programs & data
1
070 - News media, journalism & publishing
1
150 - Psychology
1
300 - Social sciences
1
333 - Economics of land & energy
1
342 - Constitutional & administrative law
1
370 - Education
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
1
530 - Physics
1
534 - Sound & related vibrations
1
543 - Analytical chemistry
1
551 - Geology, hydrology & meteorology
1
577 - Ecology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
624 - Civil engineering
1
658 - General management
1
809 - History, description & criticism
1