Book Review: ‘After Revelation: The Rabbinic Past in the Medieval Islamic World’, by Marc D. Herman
…and master, the holy rabbi, our master [Rabbi Yekusiel Yehudah Halberstam], wrote in Responsa Divrei Yatziv (Orah Hayyim §214) to comment on the formula le-shem yihud customarily recited by Hasidim…

