Memorandum # 311, Review of the Problem of Assurance Against Any Missile Crisis in Cuba, 7/10/1964,
"NSAM 311 Review of the Problem of Assurance Against any Missile Crisis in Cuba ," National Security Action Memorandums, NSF, Box 5,
LBJ Presidential Library,
accessed May 01, 2025,
https://www.discoverlbj.org/item/nsf-nsam311