Basel University Library, officially the Public Library of the University of Basel (German: Öffentliche Bibliothek der Universität Basel, abbreviated UB), is the central library of the University of Basel. It contains more than 3,000,000 documents, including 1,750 medieval manuscripts and numerous incunabula dating from the time of the Council of Basel (1431–87). The majority of library resources are freely available to the public and most of its books can be electronically accessed and ordered.