SOCIETY, The Saturday Evening Post. May 22, 1947: The Cold War Begins | The Saturday Evening Post [online]. www.saturdayeveningpost.com, [cit. 2018-05-22]. Dostupné online. (po anglicky)
trumanlibrary.org
Truman Library: "Agreement on Aid to Greece", May 22, 1947. Elsey Papers, Harry S. Truman Administration. Foreign Relations-Truman Doctrine (Greece and Turkey). [online]. www.trumanlibrary.org, [cit. 2018-05-22]. Dostupné online. Archivované 2018-05-23 z originálu.
web.archive.org
Truman Library: "Agreement on Aid to Greece", May 22, 1947. Elsey Papers, Harry S. Truman Administration. Foreign Relations-Truman Doctrine (Greece and Turkey). [online]. www.trumanlibrary.org, [cit. 2018-05-22]. Dostupné online. Archivované 2018-05-23 z originálu.
