Order, issued by Louis XVI, King of France [Present-day France]: “Art. 10 — All documents written in Jewish letters shall be null and void.“
Koch, Christian Friedrich. Die Juden im Preussischen Staate (The Jews in the State of Prussia). Baumann: Marienwerder (Prussia), 1833. Page 88. Researched by Dominik Jacobs 3/31/2020