| 400 |
Language |
| 401 |
Philosophy & theory |
| 402 |
Miscellany |
| 403 |
Dictionaries & encyclopedias |
| 404 |
Special topics |
| 405 |
Serial publications |
| 406 |
Organizations & management |
| 407 |
Education, research, related topics
|
| 408 |
With respect to kinds of persons |
| 409 |
Geographical & persons treatment |
| 410 |
Linguistics |
| 411 |
Writing systems |
| 412 |
Etymology |
| 413 |
Dictionaries |
| 414 |
Phonology |
| 415 |
Structural systems (Grammar) |
| 417 |
Dialectology & historical linguistics
|
| 418 |
Standard usage Applied linguistics |
| 419 |
Verbal language not spoken or written
|
| 420 |
English & Old English |
| 421 |
English writing system & phonology |
| 422 |
English etymology |
| 423 |
English dictionaries |
| 425 |
English grammar |
| 427 |
English language variations |
| 428 |
Standard English usage |
| 429 |
Old English (Anglo-Saxon) |
| 430 |
Germanic languages German |
| 431 |
German writing system & phonology |
| 432 |
German etymology |
| 433 |
German dictionaries |
| 435 |
German grammar |
| 437 |
German language variations |
| 438 |
Standard German usage |
| 439 |
Other Germanic languages |
| 440 |
Romance languages French |
| 441 |
French writing system & phonology |
| 442 |
French etymology |
| 443 |
French dictionaries |
| 445 |
French grammar |
| 447 |
French language variations |
| 448 |
Standard French usage |
| 449 |
Provencal & Catalan |
| 450 |
Italian, Romanian, Rhaeto-Romantic |
| 451 |
Italian writing system & phonology |
| 452 |
Italian etymology |
| 453 |
Italian dictionaries |
| 455 |
Italian grammar |
| 457 |
Italian language variations |
| 458 |
Standard Italian usage |
| 459 |
Romanian & Rhaeto-Romanic |
| 460 |
Spanish & Portugese languages |
| 461 |
Spanish writing system & phonology |
| 462 |
Spanish etymology |
| 463 |
Spanish dictionaries |
| 465 |
Spanish grammar |
| 467 |
Spanish language variations |
| 468 |
Standard Spanish usage |
| 469 |
Portugese |
| 470 |
Italic Latin |
| 471 |
Classical Latin writing & phonology
|
| 472 |
Classical Latin etymology & phonology
|
| 473 |
Classical Latin dictionaries |
| 475 |
Classical Latin grammar |
| 477 |
Old, Postclassical, Vulgar Latin |
| 478 |
Classical Latin usage |
| 479 |
Other Italic languages |
| 480 |
Hellenic languages Classical Greek |
| 481 |
Classical Greek writing & phonology
|
| 482 |
Classical Greek etymology |
| 483 |
Classical Greek dictionaries |
| 485 |
Classical Greek grammar |
| 487 |
Preclassical & postclassical Greek |
| 488 |
Classical Greek usage |
| 489 |
Other Hellenic languages |
| 490 |
Other languages |
| 491 |
East Indo-European & Celtic languages |
| 492 |
Afro-Asiatic languages Semitic |
| 493 |
Non-Semitic Afro-Asiatic languages |
| 494 |
Ural-Altaic, Paleosiberian, Dravidian |
| 495 |
Languages of East & Southeast Asia |
| 496 |
African languages |
| 497 |
North American native languages |
| 498 |
South American native languages |
| 499 |
Miscellaneous languages |
Dewey
Decimal Classification System
