National Security Action Memorandum Number 197: Improved Procedures - Communication to Other Countries of RD on Nuclear Weapons - Approved Determinations, October 23, 1962
10/23/1962
The Papers of John F. Kennedy, Presidential Papers, National Security Files, Meetings and Memoranda Series, National Security Action Memoranda, National Security Action Memorandum Number 197. John F. Kennedy Presidential Library and Museum, Boston, Massachusetts
Public domain