Classification
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353 - Specific fields of public administration
4
370 - Education
4
571 - Physiology & related subjects
4
617 - Surgery & related medical specialties
4
100 - Philosophy & psychology
3
170 - Ethics
3
523 - Specific celestial bodies & phenomena
3
540 - Chemistry & allied sciences
3
543 - Analytical chemistry
3
550 - Earth sciences
3
624 - Civil engineering
3
040 - [Unassigned]
2
302 - Social interaction
2
303 - Social processes
2
338 - Production
2
343 - Military, tax, trade & industrial law
2
361 - Social problems & social welfare in general
2
381 - Commerce
2
410 - Linguistics
2
501 - Philosophy & theory
2
512 - Algebra
2
611 - Human anatomy, cytology & histology
2
794 - Indoor games of skill
2
020 - Library & information sciences
1
128 - Humankind
1
150 - Psychology
1
153 - Mental processes & intelligence
1
301 - Sociology & anthropology
1
320 - Political science
1
372 - Elementary education
1
384 - Communications; telecommunication
1
509 - Historical, geographic & persons treatment
1
526 - Mathematical geography
1
531 - Classical mechanics; solid mechanics
1
535 - Light & infrared & ultraviolet phenomena
1
537 - Electricity & electronics
1
539 - Modern physics
1
560 - Paleontology; paleozoology
1
572 - Biochemistry
1
579 - Microorganisms, fungi & algae
1
590 - Animals (Zoology)
1
601 - Philosophy & theory
1
614 - Incidence & prevention of disease
1
634 - Orchards, fruits & forestry
1
659 - Advertising & public relations
1
664 - Food technology
1
690 - Buildings
1
777 - [Unassigned]
1
780 - Music
1