DDLevel 1

DDC Main Classes

GET/api/v1/systems/dewey_decimal/nodes/DD

Manual TranscriptionPublic Domain

Hierarchy Explorer

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DD.000Computer Science, Info, General

DD.100Philosophy and Psychology

DD.200Religion

DD.300Social Sciences

DD.400Language

DD.500Science

DD.600Technology

DD.700Arts and Recreation

DD.800Literature

DD.900History and Geography

No cross-system equivalences mapped for this node.