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Richards, John T. (2015). Abraham Lincoln: The Lawyer-Statesman (Classic Reprint). London, England: Fb&c Limited. ISBN 978-1-331-28158-0.
Sandburg, Carl (1926). Abraham Lincoln: The Prairie Years. San Diego, California: Harcourt. OCLC 6579822.
Sandburg, Carl (2002). Abraham Lincoln: The Prairie Years and the War Years. Boston, Massachusetts: Houghton Mifflin Harcourt. ISBN 978-0-15-602752-6.
Schwartz, Barry (2000). Abraham Lincoln and the Forge of National Memory. Chicago, Illinois: University of Chicago Press. ISBN 978-0-226-74197-0.
Schwartz, Barry (2008). Abraham Lincoln in the Post-Heroic Era: History and Memory in Late Twentieth-Century America. Chicago, Illinois: University of Chicago Press. ISBN 978-0-226-74188-8.
Sherman, William T. (1990). Memoirs of General W.T. Sherman. Charleston, South Carolina: BiblioBazaar. ISBN 978-1-174-63172-6.
Simon, Paul (1990). Lincoln's Preparation for Greatness: The Legislative Years. Champaign, Illinois: University of Illinois Press. ISBN 978-0-252-00203-8.
Smith, Robert C. (2010). Conservatism and Racism, and Why in America They Are the Same. Albany, New York: State University of New York Press. ISBN 978-1-4384-3233-5.
Steers, Edward Jr. (2010). The Lincoln Assassination Encyclopedia. New York, New York: HarperCollins. ISBN 978-0-06-178775-1.
Striner, Richard (2006). Father Abraham: Lincoln's Relentless Struggle to End Slavery. 