Empires Besieged. Time-Life Books Inc., Amsterdam (1988), "The Roman Decline", 38. ISBN 0705409740 "For on the bitterly cold night of December 31, 406, there was apparently no Roman army on guard when a host of Vandal, Alan, Suevi and Burgundian warriors, with their families and possessions, crossed the frozen Rhine and headed southwest through Gaul. This time, Rome's frontiers had been breached by barbarians who meant to stay."
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Opgravingen bij Nijmegen, Leidsch Dagblad, 22 augustus 1922, pag.6 (geraadpleegd 4 augustus 2021)
