. "WL3000/9/1/120" . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . . . "Heinz Becker-Trier was a German writer, editor and reporter."@en . "Correspondence regarding information material on the Sonderaktion 1005, and publishing his work in England."@en . . "6 letters"@en . . . "Correspondence with Becker-Trier, Heinz"@en .