found: Forschungen zu monastischen geistlichen Gemeinschaften im westfränkischen Bereich, 1978:title apge (Otto Gerhard Oexle)
found: Historismus in den Kulturwissenschaften, 1996:title page (Otto Gerhard Oexle) back cover (born 1939; director at the Max-Planck-Institute for History, Göttingen)
found: Chelovek i ego blizkie na zapade i vostoke Evropy, 2000:title page (Otto Gerkharda ėksle)
found: Die Gegenwart des Mittelalters, 2013:title page (Otto Gerhard Oexle)
found: Monumenta Germaniae Historica website, viewed June 14, 2016(under Allgemeines: Wir trauern um Prof. Dr. Dr. h. c. mult. Otto Gerhard Oexle; born August 28, 1939, in Singen; died May 16, 2016; was professor of Medieval history at the Universität Hannover from 1980 to 1987; director of the Max-Planck-Institut für Geschichte in Göttingen from 1987 to 2004)