is not available at this time. After further investigation, we have identified architectural improvements that must be implemented before we can provide future access to this experimental service. There is no current projected date for the return of at this time and apologize for any inconvenience.  Please continue to monitor  for future updates and feel free to contact Libbie Crawford at with any questions. 

Dewey Web Services

Portion of Dewey Decimal classification represented as Linked Data

  • Status: Experimental
  • Sandbox access: No

What you get

A SPARQL endpoint for querying the Dewey Decimal Classification system. Learn more about the the Dewey Linked Data.

Who can use it

This API is available to anyone for non-commercial use.  

Authentication & Authorization

This API does not require authentication.

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