of Tours, Gregory. Decem Libri Historiarum (Ten Books of Histories), better known as Historia Francorum (History of the Franks). AD 575 to AD 594:

Thorpe, Lewis, tr. Gregory of Tours: The History of the Franks.
Harmondsworth, England: Penguin Classics, 1974. 978-0-1404-4295-3, 0-1404-4295-2.

Brehaut, Ernest, tr. History of the Franks by Gregory, Bishop of Tours. New York: Columbia University Press, 1916.
http://ia802706.us.archive.org/4/items/historyoffranks01greg/historyoffranks01greg.pdf