Virtual Reading Room
Elliot Richardson Papers, LIbrary of Congress.
National Archives, Nixon Presidential Materials Project, National Security Council Files (hereinafter Nixon NSF), box 840, Sentinel ABM System Vol. II, 4/1/69; also published in DNSA, U.S. Nuclear History II, 1969-1976.
RG 59, Subject-Numeric Files, 1967-1969, DEF 18-6
Annex 120 in History of the Office of Special Activities from Inception to 1969
Annex 43 in History of the Office of Special Activities from Inception to 1969
Lyndon B. Johnson Library, Morton A. Halperin Papers, box 10, Vietnam
Lyndon B. Johnson Library, Morton A. Halperin Papers, box 10, Vietnam
DNSA, The Kissinger Telephone Conversations: A Verbatim Record of U.S. Diplomacy, 1969-1977.
DNSA, The Kissinger Telephone Conversations: A Verbatim Record of U.S. Diplomacy, 1969-1977.
Digital National Security Archive (DNSA), The Kissinger Telephone Conversations: A Verbatim Record of U.S. Diplomacy, 1969-1977.
Digital National Security Archive
NSCF, box 1007, Haig Vietnam Files, Vol. 1 (Jan - March 1969)
NSCF, box 1007, Haig Vietnam Files, Vol. 1 (Jan - March 1969)
FBI FOIA File No. 117-2564, documents 304 and 305, the former released in less redacted form on September 28, 2009 per FOIPA No. 1091168-000.
Nixon Presidential Library, NSC Files, President's Daily Briefings, box 2, Folder: President's Daily Briefs February 9-14, 1969 (1 of 2)