^ Jump up to: a b voluntary for employees

^ see especially page 2 (after introductory material) in which a bar graph displays NHLBI funding for sickle cell research from FY 1972 through FY 2001, totaling $923 million for these thirty years, starting at $10 million for 1972, then about $15 million a year through 1976, about $20 million for 1977, etc

Citations

^ Jump up to: a b c "Richard Nixon Presidential Library and Museum" (PDF). September 21, 2015. Archived from the original (PDF) on September 21, 2015.

^ "Lincoln Wins: Honest Abe tops new presidential survey". CNN. February 16, 2009. Retrieved December 2, 2020.

^ "Presidential Historians Survey 2017". C-SPAN. Retrieved December 2, 2020.

^ "Presidents 2018 Rank by Category" (PDF). Archived (PDF) from the original on February 20, 2019. Retrieved December 2, 2020.

^ "Richard Nixon in the U.S. Census Records". National Archives. August 15, 2016. Retrieved August 31, 2022.

^ NPS, Nixon Birthplace.

^ Ferris, p. 209.

^ Reitwiesner, William Addams. "The Ancestors of Senator John Forbes Kerry (b. 1943)". Archived from the original on April 27, 2019. Retrieved August 31, 2016.

^ Nixon Library, Childhood.

^ Aitken, p. 11.

^ Aitken, p. 12.

