Werner Gumprecht's daughter, Marion Portman, and her husband, Sheldon, donated the letter to the United States Holocaust Memorial Museum in 2005.

http://lod.ehri-project-test.eu/acquisitions/us-005578-irn516130-eng-irn516130_eng an entity of type: Activity

Werner Gumprecht's daughter, Marion Portman, and her husband, Sheldon, donated the letter to the United States Holocaust Memorial Museum in 2005. 
Acquisition 

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