Classification
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336 - Public finance
1
337 - International economics
4
338 - Production
38
339 - Macroeconomics & related topics
4
340 - Law
57
341 - Law of nations
7
342 - Constitutional & administrative law
3
343 - Military, tax, trade & industrial law
9
344 - Labor, social, education & cultural law
1
345 - Criminal law
1
346 - Private law
2
347 - Civil procedure & courts
1
352 - General considerations of public administration
2
353 - Specific fields of public administration
2
361 - Social problems & social welfare in general
2
362 - Social welfare problems & services
9
363 - Other social problems & services
17
364 - Criminology
4
368 - Insurance
4
370 - Education
17
371 - Schools & their activities; special education
6
374 - Adult education
7
378 - Higher education
8
379 - Public policy issues in education
6
380 - Commerce, communications & transportation
5
381 - Commerce
6
384 - Communications; telecommunication
9
401 - Philosophy & theory
2
410 - Linguistics
1
414 - Phonology & phonetics
1
415 - Grammar
1
417 - Dialectology & historical linguistics
1
418 - Standard usage & applied linguistics
9
500 - Natural sciences & mathematics
23
501 - Philosophy & theory
2
502 - Miscellany
1
510 - Mathematics
9
511 - General principles of mathematics
4
512 - Algebra
4
514 - Topology
3
515 - Analysis
15
516 - Geometry
3
518 - Numerical analysis
3
519 - Probabilities & applied mathematics
16
520 - Astronomy & allied sciences
3
526 - Mathematical geography
1
530 - Physics
16
531 - Classical mechanics; solid mechanics
1
535 - Light & infrared & ultraviolet phenomena
2
536 - Heat
1
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