"Can Programming Be Liberated From the von Neumann Style?". John Backus' 1977 Turing Award lecture, published in "Communications of the ACM", Volume 21, No. 8 (pp. 639-640), August 1978.
"The American Mathematical Monthly: The Official Journal of the Mathematical Association of America, Volume 32". Book published by The Association (p. 6), 1925.
Stefan Zweig (2015). “The Collected Novellas of Stefan Zweig: Burning Secret, A Chess Story, Fear, Confusion, Journey into the Past”, p.144, Pushkin Press