Albert Einstein, Stephen W. Hawking (2007). “A Stubbornly Persistent Illusion: The Essential Scientific Works of Albert Einstein”, p.337, Running Press
Peter Marshall (1949). “Prayers Offered by the Chaplain, the Rev. Peter Marshall, D.D.: At the Opening of the Daily Sessions of the Senate of the United States During the Eightieth and Eighty-first Congress 1947-1949”
John von Neumann's remarks as keynote speaker at the first national meeting of the Association for Computing Machinery (1947) as quoted in "Archaeology of computers: Reminiscences, 1945-1947" by Franz L. Alt, Communications of the ACM, Volume 15, Issue 7, special issue: Twenty-fifth anniversary of the Association for Computing Machinery (p. 694), July 1972.
John Tillotson (1714). “The works of the most reverend Dr. John Tillotson, late Lord Archbishop of Canterbury: containing fifty four sermons and discourses on several occasions. Together with The Rule of Faith. Being all that were published by His Grace himself and now collected into one volume, to which is added an alphabetical table of the principle matter”, p.15