http://dewey.info/scheme/e22/
600
Technologie
600
Technologie
600
Technologie
601
Philosophie et théorie
602
Ouvrages divers
603
Dictionnaires et encyclopédies
604
Sujets particuliers
605
Publications en série
606
Organisations
607
Étude et enseignement, recherche et sujets connexes
608
Inventions et brevets d’invention
609
Traitement historique, géographique et relatif à des personnes
Dewey Decimal Classification: Summaries
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