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  3. Foreign Relations of the United States, 1961–1963, Volumes VII, VIII, IX, Arms Control; National Security Policy; Foreign Economic Policy, Microfiche Supplement
  4. April 1961

April 1961

233. National Intelligence Estimate, NIE 11–61, April 6

April 6, 1961

“Probable Intelligence Warning of Soviet Attack on the United States.” Top Secret. 22 pp. CIA Files, Job 79R01012A, ODDI Registry.

234. Memorandum from Rostow to President Kennedy, April 21

April 21, 1961

Thoughts on how to get U.S. foreign policy back on track following Cuban setback. Top Secret. 6 pp. Kennedy Library, National Security Files, Meetings and Memoranda Series, Pol Plan 2/11/61–5/61.