Cite National Archives and Records Administration as custodian of the original records Source of acquisition is the National Archives and Records Administration (NARA), RG-242, National Archives Collection of Foreign Records Seized, 1941-. This collection represents a small portion of the whole NARA collection, and contains the complete set of Einsatzgruppen Reports, 1941-1944. The United States Holocaust Memorial Museum Archives received copies of the microfilm (NARA microfilm publication T992) via the United States Holocaust Memorial Museum's Center for Advanced Holocaust Studies in 1999.