Classification
006 - Special computer methods
25
519 - Probabilities & applied mathematics
12
003 - Systems
9
005 - Computer programming, programs & data
7
610 - Medicine & health
7
620 - Engineering & allied operations
7
004 - Data processing & computer science
5
621 - Applied physics
5
570 - Life sciences; biology
4
616 - Diseases
4
500 - Natural sciences & mathematics
3
510 - Mathematics
3
571 - Physiology & related subjects
3
001 - Knowledge
2
300 - Social sciences
2
629 - Other branches of engineering
2
025 - Library operations
1
040 - [Unassigned]
1
153 - Mental processes & intelligence
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
331 - Labor economics
1
353 - Specific fields of public administration
1
384 - Communications; telecommunication
1
501 - Philosophy & theory
1
511 - General principles of mathematics
1
515 - Analysis
1
518 - Numerical analysis
1
530 - Physics
1
541 - Physical chemistry
1
572 - Biochemistry
1
615 - Pharmacology & therapeutics
1
658 - General management
1
796 - Athletic & outdoor sports & games
1