From the National Archives and Records Administration record group RG-242. The maps are of various provenance, and it is unknown when and by which agency the maps were drawn. The United States Holocaust Memorial Museum Archives received the color transparencies of the maps in May 1999.
http://lod.ehri-project-test.eu/acquisitions/us-005578-irn506477-eng-irn506477_eng an entity of type: Activity
From the National Archives and Records Administration record group RG-242. The maps are of various provenance, and it is unknown when and by which agency the maps were drawn. The United States Holocaust Memorial Museum Archives received the color transparencies of the maps in May 1999.
Acquisition