300
|
Social
sciences
|
301
|
Sociology
& anthropology
|
302
|
Social
interaction
|
303
|
Social
processes
|
304
|
Factors
affecting social behavior
|
305
|
Social
groups
|
306
|
Culture
& institutions
|
307
|
Communities
|
308
|
Not
assigned or no longer used
|
309
|
Not
assigned or no longer used
|
310
|
General
statistics
|
311
|
Not
assigned or no longer used
|
312
|
Not
assigned or no longer used
|
313
|
Not
assigned or no longer used
|
314
|
General
statistics Of Europe
|
315
|
General
statistics Of Asia
|
316
|
General
statistics Of Africa
|
317
|
General
statistics Of North America
|
318
|
General
statistics Of South America
|
319
|
General
statistics Of other parts of the world
|
320
|
Political
science
|
321
|
Systems
of governments & states
|
322
|
Relation
of state to organized groups
|
323
|
Civil
& political rights
|
324
|
The
political process
|
325
|
International
migration & colonization
|
326
|
Slavery
& emancipation
|
327
|
International
relations
|
328
|
The
legislative process
|
329
|
Not
assigned or no longer used
|
330
|
Economics
|
331
|
Labor
economics
|
332
|
Financial
economics
|
333
|
Land
economics
|
334
|
Cooperatives
|
335
|
Socialism
& related systems
|
336
|
Public
finance
|
337
|
International
economics
|
338
|
Production
|
339
|
Macroeconomics
& related topics
|
340
|
Law
|
341
|
International
law
|
342
|
Constitutional
& administrative law
|
343
|
Military,
tax, trade, industrial law
|
344
|
Social,
labor, welfare, & related law
|
345
|
Criminal
law
|
346
|
Private
law
|
347
|
Civil
procedure & courts
|
348
|
Law
(Statutes), regulations, cases
|
349
|
Law
of specific jurisdictions & areas
|
350
|
Public
administration
|
351
|
Of
central governments
|
352
|
Of
local governments
|
353
|
of
U.S. federal & state governments
|
354
|
Of
specific central governments
|
355
|
Military
science
|
356
|
Foot
forces & warfare
|
357
|
Mounted
forces & warfare
|
358
|
Other
specialized forces & services
|
359
|
Sea
(Naval) forces & warfare
|
360
|
Social
services; association
|
361
|
General
social problems & services
|
362
|
Social
welfare problems & services
|
363
|
Other
social problems & services
|
364
|
Criminology
|
365
|
Penal
& related institutions
|
366
|
Association
|
367
|
General
clubs
|
368
|
Insurance
|
369
|
Miscellaneous
kinds of associations
|
370
|
Education
|
371
|
School
management; special education
|
372
|
Elementary
education
|
373
|
Secondary
education
|
374
|
Adult
education
|
375
|
Curriculums
|
376
|
Education
of women
|
377
|
Schools
& religion
|
378
|
Higher
education
|
379
|
Government
regulation, control, support
|
380
|
Commerce,
communications, transport
|
381
|
Internal
commerce (Domestic trade)
|
382
|
International
commerce (Foreign trade)
|
383
|
Postal
communication
|
384
|
Communications
Telecommunication
|
385
|
Railroad
transportation
|
386
|
Inland
waterway & ferry transportation
|
387
|
Water,
air, space transportation
|
388
|
Transportation
Ground transportation
|
389
|
Metrology
& standardization
|
390
|
Customs,
etiquette, folklore
|
391
|
Costume
& personal appearance
|
392
|
Customs
of life cycle & domestic life
|
393
|
Death
customs
|
394
|
General
customs
|
395
|
Etiquette
(Manners)
|
396
|
Not
assigned or no longer used
|
397
|
Not
assigned or no longer used
|
398
|
Folklore
|
399
|
Customs
of war & diplomacy
|
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