Catalogs
Log in to Your C/W Mars Account
When you log in you can:
- See the books you have checked out
- Renew books
- Place holds on books
If you cannot log in, please contact us at (508) 754 -0793.
If you forgot your password we can reset it.
More Useful C/W Mars Links:
- C/W Mars Member Libraries
- New titles at C/W Mars Member Libraries - Select a library
Commonwealth Catalog
The Commonwealth Catalog, also called ComCat, extends your search beyond the C/W MARS library network. Search through millions of items at participating libraries across Massachusetts.
Requests will be delivered to your local library for pickup.
Please search the C/W Mars online catalog first. If the material you want is not available, you can request it via the Commonwealth Catalog.
Log in below to place, manage, and cancel requests in the statewide Commonwealth Catalog.
- Click here to access the Commonwealth Catalog.
- Choose your library.
- Enter your library card number and password. Or explore the Commonwealth Catalog as a guest.