Bernard S. Bachrach (1973), "A Reassessment of Visigothic Jewish Policy, 589-711."The American Historical Review, 78:1 (Feb.), pp 31–32. Lucas' account has a large number of both detractors (Graetz, Katz, and Dahn) and supporters (Scherer, Ziegler, and Altamira) and even if true it is possible that Lucas' story is based on the minutes of XVIII Toledo, which still survived in his time.
