Cologne, Weimar: Böhlau. p. 292. ISBN 9783412086015. On Kisch's assessment, see for example: Kisch, Guido (1943). Historia Judaica: A Journal of Studies in
idea of Melanchthon remains, nevertheless, unclear. Legal historian GuidoKisch [de] considered the possibility that the Chronicon Urspergensis of Burchard
Themenheft. Medinat Worms. Böhlau, Wien 2002. ISSN 1016-4987, pages 33–44. GuidoKisch, Die Rechtsstellung der Wormser Juden im Mittelalter, in Ernst Róth: