Coba jelasin Catatan dari Thierry I dong

Geary, Patrick J. (1988). Before France and Germany: The Creation and Transformation of the Merovingian World. Oxford: Oxford University Press, .

James, Edward (1991). The Franks. London: Blackwell, .

Oman, Charles (1914). The Dark Ages, 476–918. London: Rivingtons.

Wallace-Hadrill, J. M. (1962). The Long-Haired Kings, and Other Studies in Frankish History. London: Methuen.