Foreign Relations of the United States, 1964–1968, Volume
XVIII, Arab-Israeli Dispute, 1964–1967
48. Memorandum by the Board of National Estimates
Washington, April 29, 1964.
[Source: Central Intelligence Agency, Job
79–R01012A, ODDI Registry of NIE and SNIE
Files. Secret; Controlled Dissem. 2 pages of source text not
declassified.]