Ralph Perlberger donated his family's collection to the United States Holocaust Memorial Museum on July 16, 1998.

http://lod.ehri-project-test.eu/acquisitions/us-005578-irn523499-eng-irn523499_eng an entity of type: Activity

Ralph Perlberger donated his family's collection to the United States Holocaust Memorial Museum on July 16, 1998. 
Acquisition 
rico:Activity

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