The Iggeres of Rav Sherira Gaon
HaGaon Rabbi Chaim P Scheinberg, ShlitaRosh Yeshivas "Torah Or" Jerusalem13 Tammuz 5748The Holy and famous Epistle of our teacher Rav Sherira Gaon was brought before me. In this Epistle he clarifies and explains the basic principles upon which the chain of transmission of the Oral Law is founded. This is practically the only source for this matters. --HaGaon Rabbi Chaim P Scheinberg, Shlita