Recommendary Letters from Dr. Lilienthal, Rev. S.M. Isaacs, and Isaac Leeser;November 17, 1854 Three recommendatory letters supporting the building of a synagogue in Newark, NJ. The letters praise the efforts of the small Newark congregation and encourage donations to their building fund. The letters are signed by Rabbi Dr. Lilienthal (New York, November 1, 1854), Rev. S. M. Isaacs (New York, November 17, 1854), and Isaac Leeser (Philadelphia, November 17, 1854).