^ Hamilton, David E. (October 4, 2016). "HERBERT HOOVER: IMPACT AND LEGACY". Miller Center. Retrieved December 5, 2017.

^ Rottinghaus, Brandon; Vaughn, Justin S. (February 19, 2018). "How Does Trump Stack Up Against the Best — and Worst — Presidents?". The New York Times. Archived from the original on March 10, 2019.

^ "Presidential Historians Survey 2017". C-SPAN. Retrieved May 14, 2018.

^ Jeansonne 2016, pp. 1–2.

^ Whyte 2017, p. 610.

^ Richard Pipes. Russia under the Bolshevik Regime, p.419.

^ Jeansonne, G. (April 3, 2012). The Life of Herbert Hoover: Fighting Quaker, 1928–1933. Springer. ISBN 978-1-137-11189-0.

^ Garcia, George F. "Herbert Hoover and the Issue of Race". The Annals of Iowa. State Historical Society of Iowa. Archived from the original on July 7, 2017. Retrieved May 20, 2021.

^ Schmadel, Lutz D. (2007). "(932) Hooveria". Dictionary of Minor Planet Names – (932) Hooveria. Springer Berlin Heidelberg. p. 83. doi:10.1007/978-3-540-29925-7_933. ISBN 978-3-540-00238-3.

^ Schmadel, Lutz D. (2007). "(1363) Herberta". Dictionary of Minor Planet Names – (1363) Herberta. Springer Berlin Heidelberg. p. 110. doi:10.1007/978-3-540-29925-7_1364. ISBN 978-3-540-00238-3.

