Clark M. Clifford (1991). Counsel to the President: A Memoir (вид. May 21, 1991). Random House. с. 709. ISBN978-0-394-56995-6. p. 582. «The activities of the Nixon team went far beyond the bounds of justifiable political combat. It constituted direct interference in the activities of the executive branch and the responsibilities of the Chief Executive, the only people with authority to negotiate on behalf of the nation. The activities of the Nixon campaign constituted a gross, even potentially illegal, interference in the security affairs of the nation by private individuals.»
Thomas Powers. «The Man who Kept the Secrets: Richard Helms & the CIA». Alfred A. Knopf, 1979, p.198. «during the week which ended Sunday, October 27 [1968], the National Security Agency intercepted a radio message from the South Vietnamese Embassy to Saigon explicitly urging (Nguyen Van) Thieu to stand fast against an agreement until after the election. As soon as Johnson learned of the cable he ordered the FBI to place Madame (Anna) Chennault under surveillance and to install a phone tap on the South Vietnamese Embassy»
Clark M. Clifford (1991). Counsel to the President: A Memoir (вид. May 21, 1991). Random House. с. 709. ISBN978-0-394-56995-6. p. 582. «The activities of the Nixon team went far beyond the bounds of justifiable political combat. It constituted direct interference in the activities of the executive branch and the responsibilities of the Chief Executive, the only people with authority to negotiate on behalf of the nation. The activities of the Nixon campaign constituted a gross, even potentially illegal, interference in the security affairs of the nation by private individuals.»
Hanhimäki, Jussi (2003). Selling the 'Decent interval': Kissinger, triangular diplomacy, and the end of the Vietnam war, 1971-73. Diplomacy & Statecraft. 14 (1): 159—194. doi:10.1080/09592290412331308771.
Mark Lisheron. «In tapes, LBJ accuses Nixon of treason» [Архівовано 2008-12-08 у Wayback Machine.]. Austin American-Statesman. December 5, 2008. «Johnson tells Sen. Everett Dirksen, the Republican minority leader, that it will be Nixon's responsibility if the South Vietnamese don't participate in the peace talks. 'This is treason,' LBJ says to Dirksen.»
Mark Lisheron. «In tapes, LBJ accuses Nixon of treason» [Архівовано 2008-12-08 у Wayback Machine.]. Austin American-Statesman. December 5, 2008. «Johnson tells Sen. Everett Dirksen, the Republican minority leader, that it will be Nixon's responsibility if the South Vietnamese don't participate in the peace talks. 'This is treason,' LBJ says to Dirksen.»