Invitation to the Laying of the Cornerstone of Congregation B'nai Jeshurun, New York, February 25, 1851 An invitation letter, dated February 14, 1851, from Henry Goldsmith to Isaac Leeser, inviting him to attend the laying of the cornerstone of Congregation B'nai Jeshurun in New York City on February 25, 1851, at 2:00 PM.