found: Perspektiven für Sicherheit und Zusammenheit in Europa, 1988:title page (Dirk Sager) page 534 (worked as correspondent with ZDF (Zweites Deutsches Fernsehen) in East Germany, the United States, and the Soviet Union; beginning in 1984, he was editorial director of the television program "Kennzeichen D")
found: German Wikipedia, viewed May 10, 2022(Dirk Sager; born August 13, 1940, in Hamburg; died January 2, 2014, in Potsdam; German journalist; he was associated with ZDF and with the television program Kennzeichen D)
found: Deutsche Nationalbibliothek online catalog, viewed May 10, 2022(authorized access point: Sager, Dirk; other data in authority record: German television journalist; born 1940 in Hamburg; died 2014 in Potsdam)