. . . "No restrictions on access"@en . . . . . . . "1 sound cassette,"@en . "1990 May 11" . "The Australian Institute of Holocaust Studies conducted the interview with Walter Ziegler for the Twelfth Hour Project. The United States Holocaust Memorial Museum received a copy of the interview in April 2006 from the State Library of New South Wales where the collection is housed."@en . . . "irn43546" . . . "Australian Institute for Holocaust and Genocide Studies"@en . . "Oral history interview with Walter Ziegler"@en .