The Conquest of Saxony AD 782-785: Charlemagne's defeat of Widukind of Westphalia
David Nicolle · Osprey Publishing · 2014
Wikipedia
{{cite book |last=Nicolle |first=David |title=The Conquest of Saxony AD 782-785: Charlemagne's defeat of Widukind of Westphalia |publisher=Osprey Publishing |year=2014 |isbn=9781782008255}}