Classification
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323 - Civil & political rights
4
325 - International migration & colonization
4
327 - International relations
8
330 - Economics
312
331 - Labor economics
10
332 - Financial economics
2
333 - Economics of land & energy
13
337 - International economics
2
338 - Production
7
339 - Macroeconomics & related topics
2
340 - Law
165
341 - Law of nations
3
342 - Constitutional & administrative law
4
344 - Labor, social, education & cultural law
2
345 - Criminal law
2
346 - Private law
1
347 - Civil procedure & courts
1
350 - Public administration & military science
18
355 - Military science
1
360 - Social problems & services; associations
54
361 - Social problems & social welfare in general
11
362 - Social welfare problems & services
24
363 - Other social problems & services
11
364 - Criminology
11
365 - Penal & related institutions
1
368 - Insurance
1
370 - Education
29
371 - Schools & their activities; special education
3
374 - Adult education
2
378 - Higher education
3
379 - Public policy issues in education
1
380 - Commerce, communications & transportation
40
384 - Communications; telecommunication
2
390 - Customs, etiquette & folklore
14
400 - Language
1
418 - Standard usage & applied linguistics
2
420 - English & Old English
13
428 - Standard English usage
1
440 - Romance languages; French
2
450 - Italian, Romanian & related languages
2
470 - Italic languages; Latin
8
480 - Hellenic languages; classical Greek
1
490 - Other languages
5
500 - Natural sciences & mathematics
13
501 - Philosophy & theory
3
510 - Mathematics
7
512 - Algebra
3
514 - Topology
1
515 - Analysis
3
519 - Probabilities & applied mathematics
5
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