Open letter to the Fourth Soviet Writers' Congress (16 May 1967) as translated in "Solzhenitsyn: A Documentary Record" edited by Leopold Labedz, "The Struggle Intensifies", 1970.
"Are We Prepared? An Exclusive Interview with WHO Director-General Margaret Chan". “Next Outbreak” with Joanne Silberner, www.pbs.org. September 28, 2015.