http://lod.ehri-project-test.eu/units/us-005578-irn502148/acquisitions/1 an entity of type: Activity rico:generalDescription Ernest Nussbaum maintained his family's papers until he donated them to the U.S Holocaust Memorial Museum Archives on April 13, 1999. rdf:type rico:Activity rico:hasActivityType ehri:AcquisitionType data from the linked data cloud