Classification
320 - Political science
447
300 - Social sciences
209
330 - Economics
167
306 - Culture & institutions
119
610 - Medicine & health
104
304 - Factors affecting social behavior
86
363 - Other social problems & services
86
519 - Probabilities & applied mathematics
72
333 - Economics of land & energy
69
338 - Production
69
362 - Social welfare problems & services
67
500 - Natural sciences & mathematics
66
361 - Social problems & social welfare in general
62
301 - Sociology & anthropology
47
658 - General management
38
600 - Technology
34
700 - The arts; fine & decorative arts
33
340 - Law
32
370 - Education
32
327 - International relations
31
140 - Specific philosophical schools
29
307 - Communities
28
350 - Public administration & military science
28
900 - History & geography
27
351 - Public administration
26
305 - Social groups
25
630 - Agriculture & related technologies
21
302 - Social interaction
19
331 - Labor economics
19
364 - Criminology
18
380 - Commerce, communications & transportation
18
551 - Geology, hydrology & meteorology
18
000 - Computer science, information & general works
16
339 - Macroeconomics & related topics
16
336 - Public finance
15
620 - Engineering & allied operations
15
150 - Psychology
14
303 - Social processes
14
100 - Philosophy & psychology
13
332 - Financial economics
12
360 - Social problems & services; associations
12
005 - Computer programming, programs & data
10
341 - Law of nations
10
003 - Systems
9
006 - Special computer methods
9
170 - Ethics
9
337 - International economics
9
057 - Serials in Slavic languages
8
342 - Constitutional & administrative law
8
343 - Military, tax, trade & industrial law
8
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