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How to Use the Online Catalog

Your personal library account is accessible to you through our online catalog, where you can place holds, renew items, and create lists. 

You can access the catalog at:


Alternatively, you can also download the CW MARS app on iOS or Android devices.

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To log in to your library account, on our website or in the CW MARS app, you will need your library card number (with no spaces) and your PIN.  If you have trouble logging in, just give the library a call at (413) 458-5369 and we can reset your PIN. 

For further guidance on how to use the digital catalog, take a look at the links below: 

How to Enable a History of Your Checked Out Items


Searching and Browsing the Catalog

  • Search tips and tricks

  • Explanation of catalog headers and footers

  • Viewing and navigating search results

  • Using baskets, (aka temporary lists)

  • and more

Placing and Managing Holds

  • How to place a hold in the catalog

  • Advanced hold tips and tricks

  • How to batch place holds

  • Managing and cancelling holds from the catalog

  • and more

My Account FAQ and Guide

  • Logging into your account

  • Managing your account and notification preferences

  • Paying fines and other charges online

  • and more

My Lists FAQ and Guide

  • Creating new lists

  • Managing existing lists

  • Batch placing holds from lists

  • Sharing your lists

  • and more

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