Collaborative Online Reference Service (CORS)

Collaborative Online Reference Services (CORS)

A free online reference service provided by Shanghai Library, National Library Board (Singapore), Queens Library (NY), Hong Kong Information Service Center, and Macau Information Service Center.  Real-time chat is available 4 hours a day.


3 Responses


    Nice summary of the service. Written in English.

  2. what the differences between records inventory and retention schedule?

    • Dear Paul,

      It sounds like you need to use this collaborative reference service to ask questions. If yes, please logon to their website by clicking on this link:



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