"James A. Garfield and Rutherford B. Hayes: A Study in State and National Politics" (PhD dissertation, Michigan State University; Proquest Dissertations Publishing, 1970. 7111871).
Menke, Richard. "Media in America, 1881: Garfield, Guiteau, Bell, Whitman."Critical Inquiry 31.3 (2005): 638–664.
Millard, Candice (2012). Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President. New York, New York: Anchor Books. ISBN 978-0-7679-2971-4.
North, Ira Lutts. "A rhetorical criticism of the speaking of James Abram Garfield, 1876-1880" (PhD dissertation, Louisiana State University; ProQuest Dissertations Publishing, 1953. DP69446).
Rushford, Jerry Bryant. "Political Disciple: The Relationship Between James A. Garfield And The Disciples Of Christ" (PhD dissertation, University of California, Santa Barbara; ProQuest Dissertations Publishing, 1977. 7807029).
Skidmore, Max J. "James A. Garfield and Chester A. Arthur."in Maligned Presidents: The Late 19th Century (Palgrave Macmillan, New York, 2014) pp. 63–79.
Sutton, Thomas C. "James A. Garfield."in The Presidents and the Constitution (Volume One. New York University Press, 2020) pp. 266–275.
Uhler, Kevin A. "The demise of patronage: Garfield, the midterm election, and the passage of the Pendleton Civil Service Act" (PhD. Diss. The Florida State University, 2011) online.
