Jelaskan Catatan dari Erchinoald

Chaume, Maurice ' 'Les origines du Duche de Bourgogne' '. Darmstadt: Scientia Verlag Aalen, 1977.

Le Jan, Regne "Convents, Violence and Competition for Power in Francia." in Theuws, Frans; De Jong, Mayke; van Rhijn, Carine ' 'Topographies of power in the Early Middle Ages' '. Leeiden: Koninkslijke Brill NV, 2001.