Classification
362 - Social welfare problems & services
305
610 - Medicine & health
82
658 - General management
68
613 - Personal health & safety
17
614 - Incidence & prevention of disease
16
338 - Production
14
306 - Culture & institutions
11
353 - Specific fields of public administration
11
616 - Diseases
10
621 - Applied physics
10
617 - Surgery & related medical specialties
9
657 - Accounting
7
343 - Military, tax, trade & industrial law
6
570 - Life sciences; biology
6
006 - Special computer methods
5
615 - Pharmacology & therapeutics
5
005 - Computer programming, programs & data
4
301 - Sociology & anthropology
4
330 - Economics
4
174 - Occupational ethics
2
352 - General considerations of public administration
2
361 - Social problems & social welfare in general
2
519 - Probabilities & applied mathematics
2
571 - Physiology & related subjects
2
003 - Systems
1
004 - Data processing & computer science
1
150 - Psychology
1
300 - Social sciences
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
381 - Commerce
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
690 - Buildings
1
700 - The arts; fine & decorative arts
1
910 - Geography & travel
1