1. Trials of War Criminals before the Nuremberg Military Tribunals under Control Law No. 10 (“Green Books”) Case Six (Washington DC: US Government Printing Office, 1953), volume VII, p. 860.
2. Adolf Hitler’s secret memorandum on the Four Year Plan, August 1936, translated in Jeremy Noakes and Geoffrey Pridham, eds, Documents on Nazism,1919–1945 (London: J. Cape, 1974), p. 406.
3. There is very little on the life of Otto Ambros. See Jens Ulrich Heine, Verstand Schicksal (Weinheim: VCH, 1990), pp. 172–174 and Brown Book. War and Nazi Criminals in West Germany (Dresden: Verlag Zeit im Bild, 1965), p. 36.
4. Trials of War Criminals, volume VII, pp. 1044–1045.
5. Paul Kränzlein, Chemie im Revier — Hüls (Düsseldorf: Econ Verlag, 1980), pp. 107–108. Raymond G. Stokes, Opting for Oil: The Political Economy of Technological Change in the West German Chemical Industry, 1945–1961 (Cambridge: Cambridge University Press, 1994), pp. 201–202.