If the material you are looking for is not available in the C/W MARS catalog, try the Commonwealth Catalog, a statewide system that includes online catalogs from public and academic libraries throughout the state.
Looking for something not available in Massachusetts?
Through our nationwide InterLibraryLoan service we can scour the country for almost any obscure item you want. There is a $5 postal charge if the item is shipped through US mail, UPS or FedEx. Call or stop by the library so we can get the search underway. (Please bring as much information as you have: title, author, publisher, copyright...)