Classification
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331 - Labor economics
1,824
332 - Financial economics
1,572
333 - Economics of land & energy
1,736
334 - Cooperatives
2
336 - Public finance
178
337 - International economics
12
338 - Production
2,740
339 - Macroeconomics & related topics
158
340 - Law
4,956
341 - Law of nations
1
343 - Military, tax, trade & industrial law
24
344 - Labor, social, education & cultural law
3
345 - Criminal law
2
346 - Private law
17
347 - Civil procedure & courts
4
350 - Public administration & military science
35
351 - Public administration
2
352 - General considerations of public administration
23
353 - Specific fields of public administration
1
354 - Administration of economy & environment
1
355 - Military science
4
360 - Social problems & services; associations
16
361 - Social problems & social welfare in general
107
362 - Social welfare problems & services
30
363 - Other social problems & services
1,190
364 - Criminology
50
368 - Insurance
215
370 - Education
987
371 - Schools & their activities; special education
12
372 - Elementary education
3
374 - Adult education
67
378 - Higher education
6
380 - Commerce, communications & transportation
1,196
381 - Commerce
1,423
382 - International commerce
14
384 - Communications; telecommunication
949
387 - Water, air & space transportation
2
388 - Transportation; ground transportation
12
390 - Customs, etiquette & folklore
1
394 - General customs
2
395 - Etiquette (Manners)
14
400 - Language
111
401 - Philosophy & theory
1
410 - Linguistics
31
414 - Phonology & phonetics
28
425 - English grammar
1
428 - Standard English usage
3
500 - Natural sciences & mathematics
2,084
507 - Education, research & related topics
1
510 - Mathematics
107
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