Virtual Reading Room
National Archives and Records Administration.
Defense Technical Information Center
John F. Kennedy Presidential Library, John F. Kennedy Papers, National Security File, Departments and Agencies, Box 271, Folder, “CIA 5/1961 - 8/1961.”
North American Aerospace Defense Command
RG 59, CDF, 611.6544/6-2761
John F. Kennedy Library, National Security Files, Robert W. Komer Files, box 410, China (CPR) Nuclear Explosion (folder 2 of 2)
Original CIA Special Collection, The Berlin Wall Collection: A City Torn Apart
National Archives, John F. Kennedy (hereafter JFK) Assassination Records, Document No. 104-10229-10059.
John F. Kennedy Presidential Library, John F. Kennedy Papers, National Security File, Meetings and Memoranda, Box 319, Folder, “Special Group Meetings 6/8/1961-11/2/1962.”
Foreign Relations of the United States, 1961–1963, Volume XIV, Berlin Crisis, 1961–1962, Document 28
Department of State, Central Files 611.61/5.2461 (redacted version published in FRUS, complete version here)