Letter from Lewis Allen to Isaac Leeser;March 22, 1840 Letter from Lewis Allen to Isaac Leeser, written in Philadelphia on March 22, 1840. Allen withdraws a previous order, explaining that he does not wish to deprive the congregation of Leeser's instruction despite Leeser's perceived obstinacy and disrespect. He emphasizes that his action is for the benefit of the congregation and hopes to end any unpleasantness.