Bibliography
- "Assassin Czolgosz is Executed at Auburn" The New York Times, October 30, 1901 page 5 (col. 2)
https://www.newspapers.com/image/25976625/?terms=i%20am%20not%20sorry&match=1 - Briggs, L. Vernon. The Manner Of Man That Kills. United States: Da Capo Press, (1983), pp.291
https://archive.org/details/cu31924024898771/page/n317/mode/2up - Channing, Walter. The Mental status of Czolgosz. United States: n.p., (1902).
https://archive.org/details/mentalstatusczo01changoog/page/n49/mode/2up - “Czolgosz Says He Had No Aid.” Chicago Sunday Tribune (8 Sept. 1901) v60n251: part 1, pp. 1, 4. http://mckinleydeath.com/documents/newspapers/CST60-251b.htm
- Everett, Marshall. n.d. "Complete Life of William McKinley and Story of His Assassination" 1901: https://archive.org/details/completelifewil01evergoog/page/n95/mode/2up
- Kilar, J. The Michigan Roots of Leon Czolgosz, Fifth Estate, Spring. (1996) https://www.fifthestate.org/archive/347-spring-1996/the-michigan-roots-of-leon-czolgosz/
- “Leon Czolgosz Confesses to William McKinley Assassination | Shapell Manuscript Foundation.” n.d. Shapell. Accessed April 13, 2023. https://www.shapell.org/manuscript/mckinley-assassin-confession/#transcripts.
- MacDonald, Carlos Frederick, Edward Anthony Spitzka, and The Library of Congress. 1901. The Trial, Execution, Autopsy and Mental Status of Leon F. Czolgosz, Alias Fred Nieman, the Assassin of President McKinley. Internet Archive. New York. https://archive.org/details/trialexecutionau00macd/page/182/mode/2up.
- Miller, Scott, and Internet Archive. 2013. The President and the Assassin : McKinley, Terror, and Empire at the Dawn of the American Century. Internet Archive. New York : Random House Trade Paperbacks. https://archive.org/details/presidentassassi0000mill/page/326/mode/2up.
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Seibert, Jeffrey W., and Internet Archive. 2002. “I Done My Duty” : The Complete Story of the Assassination of President McKinley. Internet Archive. Bowie, Md. : Heritage Books.
https://archive.org/details/idonemydutycompl0000seib/mode/2up?q=attention - “September 6, 1901 - Theodore Roosevelt Inaugural National Historic Site (U.S. National Park Service),” n.d. https://www.nps.gov/thri/september6.htm.
- St. Louis Post-Dispatch. “LIFE OF CZOLGOSZ THE ANARCHIST WHO SHOT PRESIDENT,” 8 Sept, 1901, Sunday Morning edition, v54n18 page 4
https://www.newspapers.com/image/138260734/