From a manuscript that was lost for more than half a century comes new information about one of the greatest Jewish communities of all time. The court diaries of Rabbi Hayyim Gundersheim (d. 1795), a member of the rabbinic court of late eighteenth-century Frankfurt, sheds light on daily life in the Judengasse("Jewish lane"), home to over 3,000 people, including Meyer Amschel Rothschild, founder of the famous banking family. Familial quarrels, squabbles...