National leader
Grant, Ulysses S. "First Inaugural Address." 4 Mar. 1869, East Portico, US Capitol Building, Washington, DC, USA.
Lincoln, Abraham. "Address at a Sanitary Fair in Philadelphia." Sanitary Fair. 16 Jun. 1864, Philadelphia, PA, USA.
Lincoln, Abraham. "Address at Great Central Sanitary Fair, Philadelphia, Pennsylvania, June 16, 1864." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 1989.
Churchill, Winston. "Anglo-American Unity." 6 Sept. 1943, Sanders Theatre, Harvard University, Cambridge, MA, USA. Speech.
Churchill, Winston. "'The gift of a common tongue', 6 September 1943, Harvard, Boston." Never Give In! The Best of Winston Churchill's Speeches. Hyperion, 2005.
Lincoln, Abraham. Quoted by John Hay in "Franklin in France," Addresses of John Hay. The Century Co., 1906.
Roosevelt, Theodore, Jr. The Outlook. 27 Feb. 1909.
Jefferson, Thomas. Letter to James Madison. 6 Sept. 1789.
Jefferson, Thomas. "James Madison, Sept. 6, 1789." The Life and Selected Writings of Thomas Jefferson, edited by Adrienne Koch and William Peden. Modern Library, 1998.
Hamilton, Alexander and James Madison [published as Publius]. "Federalist No. 20: The Same Subject Continued: The Insufficiency of the Present Confederation to Preserve the Union." New York Packet, 11 Dec. 1787.
Hamilton, Alexander and James Madison. "No. 20: Conclusion: such confederations wrong in theory, violent in practice.--Madison (and Hamilton). The Federalist: A Commentary on the Constitution of the United States, edited by Robert Scigliano. The Modern Library, 2001.
Jefferson, Thomas [published anonymously]. Notes on the State of Virginia. Paris: Philippe Denis Pierres, 1785, query 17.
Jefferson, Thomas. Notes on the State of Virginia, edited by Frank Shuffelton. Penguin Classics, 1998, query 17.
On American slavery.
Jefferson, Thomas. Letter to John Holmes. 22 Apr. 1820.
Jefferson, Thomas. "John Holmes, April 22, 1820." The Life and Selected Writings of Thomas Jefferson, edited by Adrienne Koch and William Peden. Modern Library, 1998.
United States Constitution. Amend. 6.
The Constitution of the United States. The Constitution of the United States and The Declaration of Independence. Written by Delegates of The Constitutional Convention. Racehorse, 2016, amend. 6.
Jefferson, Thomas. Letter to Francis Wayles Eppes. 21 May 1816.
Jefferson, Thomas. The Papers of Thomas Jefferson: Retirement Series. Vol. 10, Princeton University Press, 2004.
Reagan, Ronald. "First Inaugural Address." 20 Jan. 1981, West Front, US Capitol Building, Washington, DC, USA.
Aurelius, Marcus. Meditations. c. 180, bk. 4.
Aurelius, Marcus. Meditations, edited and translated by Martin Hammond. Penguin Classics, 2015, bk. 4.
Roosevelt, Franklin D. "First Inaugural Address." 4 Mar. 1933, East Portico, US Capitol Building, Washington, DC, USA.
Roosevelt, Franklin D. "First Inaugral Address: Washington, DC, March 4, 1933." Great Speeches, edited by John Grafton. Dover, 1999.
Obama, Barack. "First Inaugural Address." 20 Jan. 2009, West Front, US Capitol Building, Washington, DC, USA.
Adams, John. Letter to Abigail Adams. 12 May 1780.
John Adams to Abigail Adams, 12 May 1780,” Founders Online, National Archives, https://founders.archives.gov/documents/Adams/04-03-02-0258.
Lincoln, Abraham. "Speech in United States House of Representatives: The War with Mexico." 12 Jan. 1848, US House of Representatives, Washington, DC, USA.
Lincoln, Abraham. "Speech in the U.S. House of Representatives on the War with Mexico, January 12, 1848." Abraham Lincoln: Speeches and Writings 1832-1858, edited by Don E. Fehrenbacher. Library of America, 1989.
Jefferson, Thomas. Letter to John B. Colvin. 20 Sept. 1810.
Jefferson, Thomas. "J. B. Colvin, Sep. 20, 1810." The Life and Selected Writings of Thomas Jefferson: Including the Autobiography, The Declaration of Independence & His Public and Private Letters, edited by Adrienne Koch and William Peden. Modern Library, 1998.