. . "2 sound cassettes (60 min.),"@en . "irn84139" . "No restrictions on use"@en . . . "The United States Holocaust Memorial Museum acquired the oral history interview with Herr Ludwig from the Ausstellungsprojekt\"Stuttgart im Zweiten Weltkrie\" in March 1990."@en . . "Bibliothek duer Zeitgeschichte, Stuttgart"@en . "No restrictions on access"@en . . . "Oral history interview with Herr Ludwig"@en .