Dewey Decimal Classification - 400s
400 - Languages
401 - Philosophy and theory
402 - Miscellany
403 - Dictionaries and encyclopedias
404 - Special topics
405 - Serial publications
406 - Organizations and management
407 - Education, research, related topics
408 - Kinds of persons treatment
409 - Geographic and persons treatment
410 - Linguistics
411 - Writing systems
412 - Etymology
413 - Dictionaries
414 - Phonology and phonetics
415 - Grammar
416 - Unassigned
417 - Dialectology and historical linguistics
418 - Standard usage, applied linguistics
419 - Verbal language not spoken or written
420 - English and Old English
421 - English writing system and phonology
422 - English etymology
423 - English Etymology
424 - Unassigned
425 - English grammar
426 - Unassigned
437 - English language variations
438 - Standard German usage
439 - Other Germanic languages
430 - Germanic languages, German
431 - German writing system and phonology
432 - German etymology
433 - German dictionaries
434 - Unassigned
435 - German grammar
436 - Unassigned
437 - German language variations
438 - Standard German usage
439 - Other Germanic languages
440 - Romance languages, French
441 - French writing system and phonology
442 - French etymology
443 - French dictionaries
444 - Unassigned
445 - French grammar
446 - Unassigned
447 - French languages variations
448 - Standard French usage
449 - Provencal and Catalan
450 - Italian, Romanian, Rhaeto-Romanic
451 - Italian writing system and phonology
452 - Italian etymology
453 - Italian dictionaries
454 - Unassigned
455 - Italian grammar
456 - Unassigned
457 - Italian language variations
458 - Standard Italian usage
459 - Romanian and Rhaeto-Romanic
460 - Spanish and Portuguese languages
461 - Spanish writing system and phonology
462 - Spanish etymology
463 - Spanish dictionaries
464 - Unassigned
465 - Spanish grammar
466 - Unassigned
467 - Spanish language variations
468 - Standard Spanish usage
469 - Portuguese
470 - Italic languages, Latin
471 - Classical Latin writing and phonology
472 - Classical Latin etymology
473 - Classical Latin dictionaries
474 - Unassigned
475 - Classical Latin grammar
476 - Unassigned
477 - Old, Postclassical, Vulgar Latin
478 - Classical Latin usage
479 - Other Italic languages
480 - Hellenic languages, Classical Greek
481 - Classical Greek writing and phonology
482 - Classical Greek etymology
483 - Classical Greek dictionaries
484 - Unassigned
485 - Classical Greek grammar
486 - Unassigned
487 - Preclassical and postclassical Greek
488 - Classical Greek usage
489 - Other Hellenic languages
490 - Other languages
491 - East Indo-European and Celtic languages
492 - Afro-Asiatic languages, Semitic
493 - Non-Semitic Afro-Asiatic languages
494 - Altaic, Uralic, Hyperborean, Dravidian
495 - Languages of East and Southeast Asia
496 - African languages
497 - North American native languages
498 - South American native languages
499 - Austronesian and other languages
09.20.2005