. "During World War II, Hans Engel was a member of the British Army, and he entered Sandbostel on its day of liberation. He lived in London after the war."@en . . . . "Hans Engel letters"@en . "irn504264" . "Hans Engel's letters (dated 17 May 1945; 27 May 1945; and 11 Jun. 1945) describe his impressions of the concentration camp of Sandbostel and of its survivors' medical conditions."@en . . . . "United States Holocaust Memorial Museum"@en . . "folder\n\n1"@en . . .