Dewey.info 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 Dewey.info at this time and apologize for any inconvenience.  Please continue to monitor http://ddc.typepad.com/  for future updates and feel free to contact Libbie Crawford at Libbie.crawford@oclc.org 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.

We are a worldwide library cooperative, owned, governed and sustained by members since 1967. Our public purpose is a statement of commitment to each other—that we will work together to improve access to the information held in libraries around the globe, and find ways to reduce costs for libraries through collaboration. Learn more »