1. Louis Lipsky to All Members of the American Jewish Conference Interim Committee about Postponing Conference, July 1947 (correspondence) Collection: International Workers’ Order (IWO) and Jewish People's Fraternal Order (JPFO) Location: New York, New York, United States Date: 1947-07-11 Format: Image Creator: Lipsky, Louis, 1876-1963 Recipient: American Jewish Conference. Interim Committee Organization: American Jewish Conference