^ NHI: CQ Almanac 1971.

^ Jump up to: a b HMO: CQ Almanac 1973.

^ NHI: CQ Almanac 1974.

^ Ambrose 1989, p. 418.

^ Office of the Federal Register, pp. 179–182.

^ The American Presidency Project.

^ National Heart, Lung, and Blood Institute, p. 2.

^ Wailoo, pp. 165, 170.

^ Boger, p. 6.

^ Sabia.

^ Parmet, pp. 595–597, 603.

^ "The Republican Reversal—James Morton Turner, Andrew C. Isenberg | Harvard University Press". www.hup.harvard.edu. p. 36. Archived from the original on January 8, 2019. Retrieved July 31, 2019.

^ The Partisan Sort. Chicago Studies in American Politics. University of Chicago Press. p. 24. Archived from the original on July 31, 2019. Retrieved July 31, 2019.

^ Delaney & 1970-07-20.

^ Frum, p. 246.

^ Frazier, Nishani (2017). Harambee City: Congress of Racial Equality in Cleveland and the Rise of Black Power Populism. University of Arkansas Press. pp. 184–207. ISBN 978-1-68226-018-0.

^ PBS, Nixon, Domestic Politics.

^ Parmet, p. 563.

^ Handlin.

^ Hepplewhite, pp. 204–205, ch. 5.

^ "MIT lecture notes in "Aircraft Systems Engineering," fall 2005, on early Space Shuttle policy" (PDF). Massachusetts Institute of Technology. Fall 2005. p. 7. 