(英語) BBC Year Book. BBC. (1966). p. 32. https://books.google.com/books?id=vMo5AQAAIAAJ&q=Clay+Liston. "Among the outstanding events sent "live" on Early Bird television in the testing period were: the launching and recovery of the Gemini Titan IV, the United Nations Session in San Francisco to commemorate the twentieth anniversary of the signing of the United Nations Charter, the inauguration of President Johnson, and the Clay—Liston world heavyweight championship fight, watched in Britain by seven million viewers at 3.30 a.m."
“Daily Mirror”. (1974年11月1日). ISBN9789623599856. https://books.google.com/books?id=9tkZAQAAMAAJ&q=26+million. "'Ali is so tired he cannot raise his hands. ' The next moment Ali raised his fists and Foreman was knocked out. The 26 million who saw the same fight with the same commentary on BBC-1 ... did not hear that line. "Yes, we cut it out, ' said a BBC man last night, 'to spare Harry Carpenter's blushes.'"
