Classification
362 - Social welfare problems & services
291
610 - Medicine & health
77
658 - General management
66
613 - Personal health & safety
16
614 - Incidence & prevention of disease
16
338 - Production
14
616 - Diseases
13
306 - Culture & institutions
11
353 - Specific fields of public administration
11
617 - Surgery & related medical specialties
10
621 - Applied physics
10
519 - Probabilities & applied mathematics
7
657 - Accounting
6
005 - Computer programming, programs & data
5
006 - Special computer methods
4
301 - Sociology & anthropology
4
330 - Economics
4
343 - Military, tax, trade & industrial law
4
502 - Miscellany
4
615 - Pharmacology & therapeutics
4
650 - Management & auxiliary services
3
004 - Data processing & computer science
2
174 - Occupational ethics
2
352 - General considerations of public administration
2
361 - Social problems & social welfare in general
2
003 - Systems
1
150 - Psychology
1
300 - Social sciences
1
302 - Social interaction
1
336 - Public finance
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
381 - Commerce
1
570 - Life sciences; biology
1
571 - Physiology & related subjects
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
620 - Engineering & allied operations
1
690 - Buildings
1
700 - The arts; fine & decorative arts
1
910 - Geography & travel
1