Letter from Joseph A. Cohen to Isaac Leeser;April 12, 1866 Two-page letter written by Joseph A. Cohen from Chicago, Illinois to Isaac Leeser in Philadelphia, Pennsylvania on April 12, 1866. Cohen, who immigrated from London eight months prior, seeks Leeser's assistance in finding a position as a Hebrew and English teacher in an orthodox congregation. He mentions being a reader of Leeser's journal and admirer of his articles defending orthodox principles. The letter includes multiple instances of the word "Hebrew" added in the margins.