The papers were donated to the United States Holocaust Memorial Museum in 2005 by Richard Freeman, son of Hannelore Wahlhaus.

http://lod.ehri-project-test.eu/acquisitions/us-005578-irn517306-eng-irn517306_eng an entity of type: Activity

The papers were donated to the United States Holocaust Memorial Museum in 2005 by Richard Freeman, son of Hannelore Wahlhaus. 
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