The collection was donated to the United States Holocaust Memorial Museum by Margaret Oppenheimer in 1991.

http://lod.ehri-project-test.eu/acquisitions/us-005578-irn503557-eng-irn503557_eng an entity of type: Activity

The collection was donated to the United States Holocaust Memorial Museum by Margaret Oppenheimer in 1991. 
Acquisition 

data from the linked data cloud