Letter from L. Buttenwieser to Isaac Leeser;October 20, 1861 Letter from L. Buttenwieser to Isaac Leeser, written in Cincinnati, Ohio on October 20, 1861, discussing Buttenwieser's refutation of Mr. de Solla's pamphlet on incestuous marriages, and criticizing Leeser's review of it in *The Occident*. Buttenwieser requests Leeser to point out any incompleteness in his refutation and expresses his opinion that Leeser's review favors Mr. Nathan's work unfairly. The letter also mentions other articles published in *The Occident* and discusses the principles of Orthodox Judaism in relation to the debate. Includes several citations from the Talmud in Hebrew.