The Bangor Public Library is the public library of Bangor, Maine. It shares the URSUS online cataloging system with the University of Maine and other Maine libraries. The library's roots date to 1830, when the Bangor Mechanic Association assembled a private collection of books. In 1873, it absorbed several other associations' libraries and became the Bangor Mechanic Association Public Library. In 1883, former U.S. Congressman and lumber baron Samuel F.