found: Das Necrolog von Borghorst, 1978:title page (Gerd Althoff) preliminary page (submitted this work as his doctoral thesis to the Universität Münster in 1974)
found: Verwandte, Freunde und Getreue, 1990:title page (Gerd Althoff) back cover (born 1943; professor of Medieval history)
found: "Selig sind, die Verfolgung ausüben" : Päpste und Gewalt im Hochmittelalter, 2013:title page (Gerd Althoff) jacket flap (Gerd Althoff, Seniorprofessor; teaches Medieval history at the Universität Münster)
found: Universität Münster, Historisches Seminar-Lehrstuhl für Mittelalterliche Geschichte II website, viewed February 1, 2017:link to Personen page (Prof. Dr. Gerd Althoff, Senior Professor; born July 9, 1943, in Hamburg; taught Medieval history at Münster from 1986 to 1990; returned to Münster in 1997 and teaches there currently) - http://www.uni-muenster.de/Geschichte/histsem/MA-G/L2/personen/althoff.html
