United States
King, Martin Luther, Jr. "I Have a Dream." March on Washington for Jobs and Freedom. 28 Aug. 1963, Lincoln Memorial, Washington, DC, USA.
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.
Armstrong, Neil. Spoken on the moon. 20 July 1969.
Frost, Robert. "The Road Not Taken." Mountain Interval. Henry Holt, 1916, st. 4, I. 3.
Frost, Robert. "The Road Not Taken." Robert Frost: Collected Poems, Prose, and Plays, edited by Richard Poirier and Mark Richardson. Library of America, 1995, st. 4, I. 3.
Traubel, Horace. With Walt Whitman in Camden. Vol. 2, Mitchell Kennerley, 1915. Originally stated in a conversation with Walt Whitman, 3 Aug. 1888.
Lincoln, Abraham. "Second Inaugural Address." 4 Mar. 1865, East Portico, US Capitol Building, Washington, DC, USA.
Lincoln, Abraham. "Second Inaugral Address, March 4, 1865." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 2018.
Dylan, Bob. "The Times They Are a-Changin'." The Times They Are a-Changin'. Columbia Records, 1965.
Lincoln, Abraham. "Gettysburg Address." At the dedication of the Soldiers' National Cemetery. 19 Nov. 1863, Gettysburg, PA, USA.
Lincoln, Abraham. "Address at Gettysburg, Pennsylvania, November 19, 1863." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 1989.
Jefferson, Thomas. Letter to James Madison. 30 Jan. 1787.
Jefferson, Thomas. "James Madison, Jan. 30, 1787." The Life and Selected Writings of Thomas Jefferson, edited by Adrienne Koch and William Peden. Modern Library, 1998.
Eliot, T. S. "The Hollow Men." Poems: 1909-1925. Faber and Gwyer, 1925, pt. 5.
Eliot, T. S. "The Hollow Men." The Waste Land and Other Poems. Vintage, 2021, pt. 5.
Lincoln, Abraham. "First Inaugural Address." 4 Mar. 1861, East Portico, US Capitol Building, Washington, DC, USA.
Lincoln, Abraham. "First Inaugral Address, March 4, 1861." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 2018.
Kennedy, John F. "Inaugural Address." 20 Jan. 1961, East Portico, US Capitol Building, Washington, DC, USA.
Berra, Yogi. Comment on National League pennant race. July 1973, New York, NY, USA.
Berra, Yogi. The Yogi Book. Workman Publishing Company, 2010, foreword.
Thatcher Ulrich, Laurel. "Vertuous Women Found: New England Ministerial Literature, 1668-1735." American Quarterly, vol. 28, no. 1.
Santayana, George. The Life of Reason: Introduction and Reason in Common Sense, edited by Marianne S. Wokeck and Martin A. Coleman. Vol. 7, The MIT Press, 2011, bk. 1, ch. 12. Originally published by Charles Scribner's Sons, 1905