. . . . . . "irn516511" . . "Mortimer Greenberg photograph collection"@en . . . "The collection consists of 16 photographs of the liberation of Nordhausen-Dora concentration camp taken by Mortimer Greenberg, an American soldier who participated in the liberation."@en . "1945 April" . "United States Holocaust Memorial Museum"@en . "folder\n\n1"@en .