Schurz’s Essay: Abraham Lincoln. An Essay. By Carl Schurz. Boston and New York: Houghton, Mifflin & Co. 1892.
Scripps: Tribune Tracts No. 6. Life of Abraham Lincoln. Entered according to act of Congress in the year 1860 by Horace Greeley and Company in the Clerk’s Office of the District Court of the United States for the Southern District of New York.
Selby: Stories and Speeches of Abraham Lincoln. Including stories of Lincoln’s early life, stories of Lincoln as a lawyer, Presidential incidents, stories of the war, etc., etc. Lincoln’s Letters and Great Speeches Chronologically arranged; with Biographical Sketch by Paul Selby (Associate Editor of the Encyclopedia of Illinois). Fully Illustrated. Chicago: Thompson & Thomas. 1900.
Sheppard: Great Americans of History: Abraham Lincoln. A Character Sketch. By Robert Dickinson Sheppard, D.D. With supplementary essay, by G. Mercer Adam. Together with Anecdotes, Characteristics, and Chronology. Milwaukee: H. G. Campbell Publishing Co. 1903.
Speed: Reminiscences of Abraham Lincoln and Notes of a Visit to California. Two Lectures by Joshua F. Speed. With a sketch of his Life. Louisville: John P. Morton & Co. 1884.
Stephens: Recollections of Alexander H. Stephens. His Diary, kept when a prisoner at Fort Warren, Boston Harbor, 1865; giving incidents and reflections on his prison life and some letters and reminiscences. Edited, with a biographical study, by Myrta Lockett Avary. New York: Doubleday, Page & Co. 1910.
Stevens’s Black Hawk: The Black Hawk War, including a review of Black Hawk’s life. Chicago: Stevens. 1903.
Stoddard: Abraham Lincoln. The True Story of a Great Life. By William O. Stoddard, one of President Lincoln’s Private Secretaries during the War of the Rebellion. New York: Fords, Howard & Hulbert. 1896.
Stovall: Robert Toombs. Statesman, Speaker, Soldier, Sage. By Pleasant A. Stovall. New York: Cassell Publishing Co. 1892.
Stowe: Men of Our Times, or Leading Patriots of the Day. Being a narrative of the lives and deeds of Statesmen, Generals, and Orators. By Harriet Beecher Stowe. Hartford: Hartford Publishing Co. 1868.