Decree, issued by the Justice Department of Prussia [Present-day Germany]: “Any and all contracts between Jews and Christian subjects are null and void, with the exception of those made in open, public markets, as well as those confirmed by the local authority of the Christian.”
Kappler, F. Sammlung der württembergischen Gesetze (Collection of the Laws of Württemberg). Fues: Tübingen, 1839. Vol. 7. Page 548. Researched by Dominik Jacobs 7/20/2020