Classification
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301 - Sociology & anthropology
164
302 - Social interaction
8
303 - Social processes
8
304 - Factors affecting social behavior
55
305 - Social groups
19
306 - Culture & institutions
38
307 - Communities
18
320 - Political science
83
325 - International migration & colonization
2
327 - International relations
3
330 - Economics
57
331 - Labor economics
3
332 - Financial economics
1
333 - Economics of land & energy
45
338 - Production
8
340 - Law
35
341 - Law of nations
1
346 - Private law
1
350 - Public administration & military science
2
351 - Public administration
1
355 - Military science
5
362 - Social welfare problems & services
2
363 - Other social problems & services
96
364 - Criminology
6
370 - Education
12
371 - Schools & their activities; special education
5
379 - Public policy issues in education
1
380 - Commerce, communications & transportation
41
388 - Transportation; ground transportation
1
391 - Costume & personal appearance
1
392 - Customs of life cycle & domestic life
1
393 - Death customs
4
394 - General customs
3
398 - Folklore
6
400 - Language
24
401 - Philosophy & theory
2
410 - Linguistics
31
411 - Writing systems
1
414 - Phonology & phonetics
7
417 - Dialectology & historical linguistics
1
430 - Germanic languages; German
1
480 - Hellenic languages; classical Greek
1
496 - African languages
1
499 - Austronesian & other languages
1
500 - Natural sciences & mathematics
43
501 - Philosophy & theory
8
507 - Education, research & related topics
1
509 - Historical, geographic & persons treatment
2
510 - Mathematics
4
511 - General principles of mathematics
1
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