Gerd Althoff is a German historian of the Early and High Middle Ages. He presents himself as a researcher into the "political rules of the game" in the Middle Ages. He has held professorships at the University of Münster, the University of Giessen (1990–1995) and the University of Bonn (1995–1997).
Excerpt from Wikipedia, available under CC BY-SA 4.0.

Fruehmittelalterliche Studien Jahrbuch des Instituts fuer Fruehmittelalterforschung der Universitaet Muenster
2002
ISBN 9783110136937
Ironie im Mittelalter
2012
ISBN 9783534725083
Frühmittelalterliche Studien. Band 34
2001
ISBN 9783112422052
2002
2003
ISBN 9783110178869
2007
2008
ISBN 9783110192391
Ironie im Mittelalter
2012
ISBN 9783534725076