^ "A killing in Congo". US News. July 24, 2000. Retrieved June 18, 2006.

^ Lardner, George (August 8, 2000). "Did Ike Authorize a Murder?". The Washington Post. The CIA acted as though the president had given the go-ahead, sending one of its scientists to the Congo in September 1960 with a vial of deadly poison that could be injected into something Lumumba might eat. ... The poison, however, was never used, and CIA operatives were unable to get to Lumumba before he was eventually captured by Congolese rivals and killed ....

^ Ambrose 1984, p. 228

^ Piccone, Ted; Miller, Ashley (December 19, 2016). Cuba, the U.S., and the concept of sovereignty: Toward a common vocabulary? (Report). Washington: Brookings Institution. Archived from the original on July 7, 2017. President Dwight D. Eisenhower approved a plan to train Cuban exiles to commit violent acts of terrorism within Cuba against civilians, and the CIA trained and commanded pilots to bomb civilian airfields...U.S. government officials justified some of the terrorist attacks on Cuban soil on the grounds of coercive regime change

^ Yaffe, Helen (2020). We are Cuba!: How a Revolutionary People have Survived in a Post-Soviet World. 