http://lod.ehri-project-test.eu/units/us-005578-irn533532-irn551053/acquisitions/1 an entity of type: Activity
United States Holocaust Memorial Museum Collection, Gift of Ralph M. Hockley
Ralph Hockley donated Hockenheimer, Loewenthal, Fraenkel, and Brock families papers to the United States Holocaust Memorial Museum in 2016.