To his officers on German Police Day (February, 1941), as quoted in Gestapo : Instrument of Tyranny (1956) by Edward Crankshaw, p. 103
Reinhard Heydrich: Zitate auf Englisch
Speech at the Wannsee Conference, Berlin, (20 January 1942), as quoted in Why Did the Heavens Not Darken : The "Final Solution (1990) by A. J. Mayer, p. 304
To Captain Sigismund Payne Best, as quoted in The Venlo Incident (1950) by Sigismund Payne Best, p. 41
Heydrich recited this, one of his father's operas, on his deathbed during one of Himmler's visits on 2 June 1941.
Quelle: [Lehrer, Steven, Steven Lehrer, 2000, 86, Wannsee House and the Holocaust, McFarland, Jefferson, NC, 978-0-7864-0792-7, harv]