* _Joseph og hans brødre_ (1979)
* _The Saracen_ (1982)
* _Den vilde dronning_ (1990)
* _Rovfuglen_ (1995)
* _The Death of Kings_ (1996)
Faglitteratur
* _The Song of Roland:An English Translation_ (1970)
* _The Song of Roland:A New Critical Introduction_ (1981)
* _The Life and Times of Charlemagne_ (1984)
* _A Companion to the Song of Roland_ (1987)
* _Normannerne i syd:1016-1130_ (1989)
* _Normannerne i Vesten:1016-1130_ (1990)
* _The Crusades:A History_ (1991)
* _The Norman Conquest:A New Introduction_ (1992)
* _Året 1066:A History of the Norman Conquest_ (1993)
* _The History of the Crusades:The First Crusade_ (1994)
* _Normannerne i syd:1130-1250_ (1995)
* _The History of the Crusades:The Second Crusade_ (1996)
* _Normannerne i Vesten:1130-1250_ (1997)
* _The History of the Crusades:The Third Crusade_ (1998)
*_Normannerne i Storbritannien:En ny historie_ (2002)
* _Norman Castles_ (2003)
* _The History of the Crusades:The Fourth Crusade_ (2004)
* _Anglo-sakserne:En ny historie_ (2005)
* _Normannerne i Skotland_ (2006)
* _The History of the Crusades:The Fifth Crusade_ (2007)
* _Normannerne i Irland_ (2008)
* _The History of the Crusades:The Sixth Crusade_ (2009)
* _Normannerne i Frankrig:911-1204_ (2010)
* _The Normans:A History_ (2011)