There are several libraries with rich library holdings at the central institutions of the Diocese of Đakovo and Srijem: Diocesan Library (comprising the Bishop Josip Antun Čolnić’s Library, the Bishop Josip Juraj Strossmayer’s Library and the Bishop Stjepan Bäuerline’s Library); Seminary Library – the Library of the Faculty of Theology in Đakovo (includes the library of the former Jesuit Monastery in Petrovaradin). The most valuable items in the library are nine incunabula and manuscripts from the 14th century. The books cover the areas of biblical sciences, philosophy, theology, history, literature, and liturgy. There are also lexicons, journals and other. The total library holdings comprise over 130 000 volumes of books and journals (100 volumes from the 16th century, 1000 volumes from the 17th century, several thousand volumes from the 18th century, and the rest dating from the 19th and 20th centuries, including 150 reviews and journals – more than 3 700 hardcover editions).