Classification
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332 - Financial economics
27
333 - Economics of land & energy
49
336 - Public finance
1
337 - International economics
1
338 - Production
123
339 - Macroeconomics & related topics
4
340 - Law
49
341 - Law of nations
2
342 - Constitutional & administrative law
2
343 - Military, tax, trade & industrial law
41
344 - Labor, social, education & cultural law
1
346 - Private law
4
352 - General considerations of public administration
8
355 - Military science
1
360 - Social problems & services; associations
3
361 - Social problems & social welfare in general
2
363 - Other social problems & services
34
364 - Criminology
3
368 - Insurance
1
370 - Education
54
374 - Adult education
118
378 - Higher education
1
380 - Commerce, communications & transportation
14
381 - Commerce
45
384 - Communications; telecommunication
71
388 - Transportation; ground transportation
2
398 - Folklore
1
400 - Language
4
410 - Linguistics
2
414 - Phonology & phonetics
3
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
292
501 - Philosophy & theory
3
507 - Education, research & related topics
1
509 - Historical, geographic & persons treatment
3
510 - Mathematics
20
511 - General principles of mathematics
1
512 - Algebra
2
514 - Topology
1
515 - Analysis
1
516 - Geometry
6
519 - Probabilities & applied mathematics
16
520 - Astronomy & allied sciences
9
523 - Specific celestial bodies & phenomena
1
530 - Physics
11
531 - Classical mechanics; solid mechanics
3
534 - Sound & related vibrations
2
540 - Chemistry & allied sciences
1
543 - Analytical chemistry
1
550 - Earth sciences
11
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