^CIA (December 1962). "National Intelligence Estimate: The Soviet Space Program" (PDF). CIA Library. p. 22.
^Siddiqi, Asif A. (Spring 2000). "The Soviet Fractional Orbital Bombardment System: A Short Technical History" (PDF). Quest: The History of Spaceflight Quarterly. Vol. 7 no. 4. pp. 22–32. Retrieved 13 April 2019.
^Staff Report (30 August 1976). "Soviet Space Programs, 1971-75". George A Smathers Library. Committee on Aeronautical and Space Sciences. Retrieved 19 April 2019.
^McCall, Gene H.; Darrah, John H. (2014). "Space Situational Awareness: Difficult, Expensive-and Necessary" (PDF). Air & Space Power Journal. Vol. 28 no. 6. pp. 6–16.
^Garthoff, Raymond L. (1987). "Arms Control: A View from inside [Book review]". Science. 236 (4804): 975–977. doi:10.1126/science.236.4804.975.
^Goedhuis, D. (1968). "An Evaluation of the Leading Principles of the Treaty on Outer Space of 27th January 1967". Nederlands Tijdschrift voor Internationaal Recht [Dutch Journal of International Law]. 15 (1): 17–41. doi:10.1017/S0165070X00022920.
^Bombs in Orbit – General (Ballistic missiles in orbit, FOBS, MOBS, etc). News Conference of Secretary of Defense Robert S. McNamara at Pentagon. LBJ Library. 3 November 1967. National Security File, Files of Charles E. Johnson, Box 11, Folder 4.
معاهدات واتفاقيات ومذكرات تفاهم ومواثيق أو إعلانات متنوعة تؤسس وتحكم المنظمات الحكومية الدولية أو الهيئات المشتركة بين الوكالات التي تتعامل مع الشؤون الفضائية