Defalque, R. J.; Wright, A. J. (January 2009). "The Puzzling Death of Reinhard Heydrich". Bulletin of Anesthesia History (Pittsburgh PA: Anesthesia History Assoaciation and Wood-Library Museum of Anesthesiology) 27 (1): 1–7. Citováno 26 červen 2011.. ahahq.org [online]. [cit. 2012-06-26]. Dostupné v archivu pořízeném z originálu dne 2014-10-31.
Defalque, R. J.; Wright, A. J. (January 2009). "The Puzzling Death of Reinhard Heydrich". Bulletin of Anesthesia History (Pittsburgh PA: Anesthesia History Assoaciation and Wood-Library Museum of Anesthesiology) 27 (1): 1–7. Citováno 26 červen 2011.. ahahq.org [online]. [cit. 2012-06-26]. Dostupné v archivu pořízeném z originálu dne 2014-10-31.