Geneological database Merkel-Zeller, oppført som "Ernst" Heinrich Freiherr von Weizsäcker, Merkelstiftung person ID I19953, besøkt 9. oktober 2017[Hentet fra Wikidata]
munzinger.de
Munzinger Personen, oppført som Ernst Freiherr von Weizsäcker, Munzinger IBA 00000000393, besøkt 9. oktober 2017[Hentet fra Wikidata]
Heisenberg, Martin; Bernstein, Jeremy (16. januar 1992). «The Heisenberg Case: An Exchange». New York Review of Books (på engelsk). ISSN0028-7504. Besøkt 21. mars 2019. «The jury consisted of three US judges, no Europeans. One of them pleaded innocent. Weizsäcker was closely associated with the German resistance and Winston Churchill called his sentence a “deadly error.”»
nytimes.com
bureau, James M. Markham; James M. Markham is chief of The New York Times Bonn (23. juni 1985). «Facing up to Germany's Past». The New York Times (på engelsk). ISSN0362-4331. Besøkt 2. mars 2018.
spiegel.de
«Historian Calls Wartime Ministry A 'Criminal Organization'». Der Spiegel. 27. oktober 2010. Besøkt 15. desember 2020. «Conze: A traditional upperclass anti-Semitism was common in top diplomatic circles. Many believed that there was a Jewish problem. The then-ambassador Ernst von Weizsäcker (father of former German President Richard von Weizsäcker) spoke of a "flood of Jews." This isn't necessarily the populist-racist anti-Semitism of the Nazi Party. But it did make it easier to participate in the policies of the new Reich chancellor. One out of 10 civil servants in the higher grade of the civil service later joined the SS, and 573 of 706 members of that higher grade had joined the Nazi Party by 1943.»
worldcat.org
bureau, James M. Markham; James M. Markham is chief of The New York Times Bonn (23. juni 1985). «Facing up to Germany's Past». The New York Times (på engelsk). ISSN0362-4331. Besøkt 2. mars 2018.
Heisenberg, Martin; Bernstein, Jeremy (16. januar 1992). «The Heisenberg Case: An Exchange». New York Review of Books (på engelsk). ISSN0028-7504. Besøkt 21. mars 2019. «The jury consisted of three US judges, no Europeans. One of them pleaded innocent. Weizsäcker was closely associated with the German resistance and Winston Churchill called his sentence a “deadly error.”»