1. Rubin Saltzman Receives Letter with Detailed List of Expenditures, February 1948 (correspondence) Collection: International Workers’ Order (IWO) and Jewish People's Fraternal Order (JPFO) Set: Poland Location: Piotrolesie Lower Silesia, SilesiaNew York, New York, United States Date: 1948–02–11 Format: Image Recipient: Zaltsman, R. (Reʾuven) (Rubin Saltzman, Reuben Zaltzman) Organization: Dom Dziecka Janusza Korczaka