"No Heroism Can Avail: Andrew A. Humphreys and His Pennsylvania Division at Antietam and Fredericksburg."
Published in Army History, Summer 2010. By Matthew T. Pearcy
"Nothing but the Spirit of Heroism: Andrew A. Humphreys at Chancellorsville and Gettysburg."
Published in Army History, Summer 2013. By Matthew T. Pearcy
The Savior of Little Round Top: Gouverneur K. Warren on the Second Day of Gettysburg