Classification
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320 - Political science
418
321 - Systems of governments & states
49
323 - Civil & political rights
7
327 - International relations
11
330 - Economics
1,291
331 - Labor economics
907
332 - Financial economics
109
333 - Economics of land & energy
1,583
334 - Cooperatives
1
336 - Public finance
6
337 - International economics
3
338 - Production
353
339 - Macroeconomics & related topics
5
340 - Law
177
341 - Law of nations
21
342 - Constitutional & administrative law
8
343 - Military, tax, trade & industrial law
51
344 - Labor, social, education & cultural law
18
345 - Criminal law
2
346 - Private law
27
350 - Public administration & military science
6
351 - Public administration
1
352 - General considerations of public administration
9
353 - Specific fields of public administration
3
355 - Military science
112
357 - Mounted forces & warfare
1
358 - Air & other specialized forces
34
359 - Sea forces & warfare
9
360 - Social problems & services; associations
5
361 - Social problems & social welfare in general
27
362 - Social welfare problems & services
11
363 - Other social problems & services
1,182
364 - Criminology
17
368 - Insurance
13
370 - Education
153
371 - Schools & their activities; special education
75
374 - Adult education
255
375 - Curricula
1
378 - Higher education
4
380 - Commerce, communications & transportation
520
381 - Commerce
135
384 - Communications; telecommunication
1,052
387 - Water, air & space transportation
2
388 - Transportation; ground transportation
19
389 - Metrology & standardization
1
398 - Folklore
2
400 - Language
72
401 - Philosophy & theory
1
407 - Education, research & related topics
2
410 - Linguistics
31
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