"Alleged Plots Involving Foreign Leaders", U.S. Senate, Select Committee to Study Governmental Operations with Respect to Intelligence Activities, S. Rep. No. 755, 94th Cong., 2d sess. PDFArchived September 21, 2013, at the Wayback Machine
"Alleged Plots Involving Foreign Leaders", U.S. Senate, Select Committee to Study Governmental Operations with Respect to Intelligence Activities, S. Rep. No. 755, 94th Cong., 2d sess. PDFArchived September 21, 2013, at the Wayback Machine