Hilgert, C. (2009): "Vergangenheitserhellung" und "kniffelige" Live-Hörspiele: Der Jugendfunkautor Heinrich von Tiedemann ["Illuminatin of the Past" and "Tricky" Radio Plays: the Youth Radio Editor Heinrich von Tiedemann]. Available online (German) at the website of the Research Centre for the History of Broadcasting in Northern Germany. Hamburg, July 2009.
Hilgert, C. (2009): "Vergangenheitserhellung" und "kniffelige" Live-Hörspiele: Der Jugendfunkautor Heinrich von Tiedemann ["Illuminatin of the Past" and "Tricky" Radio Plays: the Youth Radio Editor Heinrich von Tiedemann]. Available online (German) at the website of the Research Centre for the History of Broadcasting in Northern Germany. Hamburg, July 2009.
2009