- Eishen, Thomas, Courage on Little Round Top, Skyward Publishing, 2005, ISBN 1-881554-38-4.
- Guelzo, Allen C., Gettysburg: The Last Invasion, Knopf, 2013, ISBN 0-307594-08-4.
- Hartwig, D. Scott, A Killer Angels Companion, Thomas Publications, 1996, ISBN 0-939631-95-4.
- Smithpeters, Jeff, To the Latest Generation: Post Cold War Civil War Novels in Their Contemporary Contexts, doctoral dissertation, Louisiana State University, 2005. The dissertation argues that The Killer Angels is a response to the Vietnam War and to a longing for the leadership of John F. and Robert F. Kennedy.
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