Thomas, G. Scott (July 1, 2010). "Clean sweep for the Roosevelts". Business First of Buffalo. Archived from the original on July 4, 2010. Retrieved September 1, 2010.
Maranell, Gary M. (June 1970). "The Evaluation of Presidents: An Extension of the Schlesinger Polls". The Journal of American History. 57 (1): 104–113. doi:10.2307/1900552. JSTOR1900552. S2CID154631219.
Taylor, Mark Zachary (October 2012). "An Economic Ranking of the US Presidents, 1789–2009: A Data-Based Approach". PS: Political Science and Politics. 45 (4): 596–604. doi:10.1017/S1049096512000698. JSTOR41691393. S2CID154631454.
Maranell, Gary M. (June 1970). "The Evaluation of Presidents: An Extension of the Schlesinger Polls". The Journal of American History. 57 (1): 104–113. doi:10.2307/1900552. JSTOR1900552. S2CID154631219.
Taylor, Mark Zachary (October 2012). "An Economic Ranking of the US Presidents, 1789–2009: A Data-Based Approach". PS: Political Science and Politics. 45 (4): 596–604. doi:10.1017/S1049096512000698. JSTOR41691393. S2CID154631454.
Maranell, Gary M. (June 1970). "The Evaluation of Presidents: An Extension of the Schlesinger Polls". The Journal of American History. 57 (1): 104–113. doi:10.2307/1900552. JSTOR1900552. S2CID154631219.
Taylor, Mark Zachary (October 2012). "An Economic Ranking of the US Presidents, 1789–2009: A Data-Based Approach". PS: Political Science and Politics. 45 (4): 596–604. doi:10.1017/S1049096512000698. JSTOR41691393. S2CID154631454.
Nico Hines (October 31, 2008). "The Greatest US Presidents: The Times US presidential rankings". The Times. Archived from the original on August 10, 2021. Retrieved August 10, 2021. Print version of top 14: Ben MacIntyre (1 November 2008) "The big question: who is the greatest president of all time?" The Times. London. p. 42.
Thomas, G. Scott (July 1, 2010). "Clean sweep for the Roosevelts". Business First of Buffalo. Archived from the original on July 4, 2010. Retrieved September 1, 2010.
Nico Hines (October 31, 2008). "The Greatest US Presidents: The Times US presidential rankings". The Times. Archived from the original on August 10, 2021. Retrieved August 10, 2021. Print version of top 14: Ben MacIntyre (1 November 2008) "The big question: who is the greatest president of all time?" The Times. London. p. 42.