United States Holocaust Memorial Museum Collection, Gift of Mrs. Anna Kleinberg Janowska Ciońćka and Ewa Kleinberg Janowska Boiseé Funding Note: The cataloging of this collection has been supported by a grant from the Conference on Jewish Material Claims Against Germany. The Kleinberg family papers were donated to the United States Holocaust Memorial Museum in 2011 by Anna Kleinberg Janowska Ciońcka and Ewa Kleinberg Janowska Boiseé. Much of the correspondence was donated in June, however many of the papers relating to Izydor Minder and the other portion of correspondence was donated in December and given the accession number 2011.382.1. It has since been unified with this collection under accession number 2011.136.1.