Classification
650 - Management & auxiliary services
5,781
658 - General management
298
330 - Economics
85
338 - Production
67
332 - Financial economics
31
620 - Engineering & allied operations
26
150 - Psychology
25
336 - Public finance
25
333 - Economics of land & energy
23
340 - Law
23
346 - Private law
22
657 - Accounting
20
343 - Military, tax, trade & industrial law
19
339 - Macroeconomics & related topics
18
005 - Computer programming, programs & data
16
158 - Applied psychology
16
519 - Probabilities & applied mathematics
15
616 - Diseases
15
306 - Culture & institutions
14
006 - Special computer methods
13
320 - Political science
13
337 - International economics
13
501 - Philosophy & theory
12
624 - Civil engineering
12
302 - Social interaction
11
004 - Data processing & computer science
10
301 - Sociology & anthropology
9
610 - Medicine & health
9
621 - Applied physics
9
510 - Mathematics
8
670 - Manufacturing
8
170 - Ethics
7
300 - Social sciences
7
331 - Labor economics
7
342 - Constitutional & administrative law
7
344 - Labor, social, education & cultural law
7
370 - Education
7
371 - Schools & their activities; special education
7
634 - Orchards, fruits & forestry
7
155 - Differential & developmental psychology
5
305 - Social groups
5
388 - Transportation; ground transportation
5
630 - Agriculture & related technologies
5
174 - Occupational ethics
4
363 - Other social problems & services
4
374 - Adult education
4
600 - Technology
4
629 - Other branches of engineering
4
900 - History & geography
4
353 - Specific fields of public administration
3
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