Items in the library's political science and law collection have call numbers in the 300s:
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
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
Browse the Dewey System's 320-331s in this interactive site