The United States Holocaust Memorial Museum Art and Artifacts received the letter from Herbert Loewenthal in Jan. 2000 and transferred them to the Archives on Feb. 16, 2000.

http://lod.ehri-project-test.eu/acquisitions/us-005578-irn500028-eng-irn500028_eng an entity of type: Activity

The United States Holocaust Memorial Museum Art and Artifacts received the letter from Herbert Loewenthal in Jan. 2000 and transferred them to the Archives on Feb. 16, 2000. 
Acquisition 

data from the linked data cloud