History of the Jewish community in Alsace and Lorraine.... source: Pascal CURIN
A summary by Gilberte Jacaret

PART- I

The Jewish heritage is undoubtedly an integral part of the general Alsatian history and partly of Lorraine. It is well known that the Alsatian Jewish community, mostly rural, was the biggest of whole France at the Revolution in 1789 and already differed from the Sephardim living in cities of southern France....

History of the Jewish community in Alsace and Lorraine... source: Pascal Curina, with a summary by Gilberte Jacaret

PART III

Century 18th in Alsace
This century can be seen as a transitional period for Jews on French soil. That doesn't mean that everything became better and easier or the coming and going of Jewish families in exile definitively stopped.