RAV Yirmiah said: This refers to the Babylonian Talmud.
"Some Jewish Witnesses For Christ"
Rev. A. Bernstein, B.D.
First came Moses, and after him the great rabbis, and finally the RAV of Polotzk, who read all day in the sacred books, so that he could tell me and my parents and my friends what to do whenever we were in doubt.
"The Promised Land"
Mary Antin
Not every man could hope to be a RAV, but no Jewish boy was allowed to grow up without at least a rudimentary knowledge of Hebrew.
"The Promised Land"
Mary Antin