300-399

300 – Social sciences

 * **300 [|Social sciences]**, sociology & anthropology
 * 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 No longer used—formerly [|Polygraphy]//
 * //309 No longer used—formerly [|History of sociology]//
 * **310 General statistics**
 * //311 No longer used—formerly Theory and methods//
 * //312 No longer used—formerly Population//
 * //313 No longer used—formerly Special topics//
 * 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
 * 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 No longer used—formerly Education of women//
 * //377 No longer used—formerly Ethical education//
 * 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 No longer used—formerly Women's position and treatment//
 * //397 No longer used—formerly [|outcast] studies//
 * 398 [|Folklore]
 * 399 Customs of war & [|diplomacy]