Classification
363 - Other social problems & services
45
333 - Economics of land & energy
26
338 - Production
23
303 - Social processes
11
304 - Factors affecting social behavior
10
330 - Economics
10
337 - International economics
8
612 - Human physiology
7
362 - Social welfare problems & services
6
307 - Communities
5
332 - Financial economics
5
339 - Macroeconomics & related topics
5
384 - Communications; telecommunication
5
302 - Social interaction
4
306 - Culture & institutions
4
004 - Data processing & computer science
3
005 - Computer programming, programs & data
3
025 - Library operations
3
179 - Other ethical norms
3
320 - Political science
3
323 - Civil & political rights
3
355 - Military science
3
382 - International commerce
3
551 - Geology, hydrology & meteorology
3
658 - General management
3
794 - Indoor games of skill
3
001 - Knowledge
2
172 - Political ethics
2
327 - International relations
2
343 - Military, tax, trade & industrial law
2
346 - Private law
2
378 - Higher education
2
610 - Medicine & health
2
631 - Techniques, equipment & materials
2
709 - Historical, geographic & persons treatment
2
791 - Public performances
2
006 - Special computer methods
1
020 - Library & information sciences
1
070 - News media, journalism & publishing
1
123 - Determinism & indeterminism
1
128 - Humankind
1
155 - Differential & developmental psychology
1
300 - Social sciences
1
321 - Systems of governments & states
1
325 - International migration & colonization
1
331 - Labor economics
1
336 - Public finance
1
341 - Law of nations
1
344 - Labor, social, education & cultural law
1
352 - General considerations of public administration
1
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