Classification
330 - Economics
98
320 - Political science
48
620 - Engineering & allied operations
43
658 - General management
32
610 - Medicine & health
30
340 - Law
29
621 - Applied physics
29
500 - Natural sciences & mathematics
19
300 - Social sciences
18
332 - Financial economics
16
384 - Communications; telecommunication
16
616 - Diseases
15
304 - Factors affecting social behavior
13
333 - Economics of land & energy
13
370 - Education
10
006 - Special computer methods
9
338 - Production
9
629 - Other branches of engineering
9
302 - Social interaction
8
519 - Probabilities & applied mathematics
8
670 - Manufacturing
8
660 - Chemical engineering
7
004 - Data processing & computer science
6
331 - Labor economics
6
363 - Other social problems & services
6
510 - Mathematics
6
577 - Ecology
6
617 - Surgery & related medical specialties
6
745 - Decorative arts
5
910 - Geography & travel
5
001 - Knowledge
4
003 - Systems
4
551 - Geology, hydrology & meteorology
4
600 - Technology
4
614 - Incidence & prevention of disease
4
630 - Agriculture & related technologies
4
900 - History & geography
4
005 - Computer programming, programs & data
3
153 - Mental processes & intelligence
3
170 - Ethics
3
301 - Sociology & anthropology
3
306 - Culture & institutions
3
339 - Macroeconomics & related topics
3
343 - Military, tax, trade & industrial law
3
364 - Criminology
3
368 - Insurance
3
381 - Commerce
3
613 - Personal health & safety
3
615 - Pharmacology & therapeutics
3
618 - Gynecology, obstetrics, pediatrics & geriatrics
3
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