Letter from I. Binswanger to Isaac Leeser;April 21, 1851 Binswanger writes to Leeser to submit a communication for publication in *The Occident*. He encloses a letter from Dr. Lilienthal and offers Leeser the option of editing the communication or using excerpts from Lilienthal's letter. Binswanger also mentions a conversation with Dr. Mayer regarding a program of instruction.