With access to millions of titles, the Commonwealth Catalog extends your library’s reach to all participating libraries throughout Massachusetts, with convenient pick-up at your local library. The Commonwealth Catalog gives you access to millions of items from libraries that hold unique collections such as Boston Public Library and UMass Amherst and other academic, special and public libraries. ComCat pickup is available all Cambridge Public Library locations. Please select one of these locations when logging into ComCat. You must login using a valid library card and pin.


ComCat Catalog