1.  Chronicles of Wasted Time, Malcolm Muggeridge, 2006.
2.  Frederick II, Enrst Kantorowitz, 1937.
3.  The Unknown Karl Marx, Robert Payne, 1971.
4.  The Puritan Dilemma (John Winthrop), Edmund Morgan, 2006.
5.  John Adams, David McCullough, 2002.
6.  The Founding Father: The Story of Joseph P. Kennedy: A Study in Power, Wealth, and Family Ambition, Richard J. Whalen, 1993.
7.  John Tyler, The Accidental President, Edward P. Crapol, 2012.
8.  John Randolph of Roanoke, American Conservative.
9.  Skeptical Politic of Herbert Butterfield, David Gordon, 2012.
10.  Goldwater: The Man Who Made a Revolution, Lee Edwards, 2015.
11.  James I: Fool as King, Otto Scott, 1976.
12.  Oliver Wendell Holmes, Jr.: Civil War Soldier, Supreme Court Justice (Routledge HIstorical Americans), Susan-Mary Grant, 2015.  On Holmes, Dr. North writes

Don’t end there. The other factor in his thinking was Darwin. 

See Common Law.  Holmes wrote a book on Common Law, titled Common Law, 1881.

13.  Life and Campaigns of Stonewall Jackson, Robert Lewis Dabney, 2012.  Robert Lewis Dabney was an American Christian theologian and a Southern Presbyterian pastor, but he’s best known for being chief of staff for General Thomas Jonathan “Stonewall” Jackson during his famous Valley Campaign and the Seven Days Battles.

14.  Robert E. Lee: A Biography, Pulitzer Prize Edition, Douglas Southall Freeman, 1936.
15.  Simon Ramo, National Academy of Engineering, June 28, 2016.
16.  The Immortal Life of Henrietta Lacks, Rebecca Skloot, 2011.