301. What Constitutes a "Hazard" Collection: International Workers’ Order (IWO) and Jewish People's Fraternal Order (JPFO) Set: Cold War Location: New York, New York, United States Date: 1951-07 Format: Image Creator: Zaltsman, R. (Reʾuven) (Rubin Saltzman, Reuben Zaltzman) Organization: International Workers Order
302. Sol Rotenberg to William Karlin about Annual Concert Tour, February 1953 (correspondence) Collection: International Workers’ Order (IWO) and Jewish People's Fraternal Order (JPFO) Set: Culture Front Cold War Location: New York, New York, United States Philadelphia, Pennsylvania, United States Date: 1953-02-18 Format: Image Creator: Rotenberg, Sol Recipient: Karlin, William Organization: International Workers Order
303. List of Names and Addresses Collection: International Workers’ Order (IWO) and Jewish People's Fraternal Order (JPFO) Set: Cold War Location: New York, New York, United States Date: ca. 1952 Format: Image Organization: Jewish Peoples Fraternal Order of the I.W.O. (U.S.)
