- Exploring Lincoln, great historians reappraise our greatest president, edited by Harold Holzer, Craig L. Symonds, and Frank J. Williams
- The Battle of Hampton Roads, new perspectives on the USS Monitor and CSS Virginia, edited by Harold Holzer and Tim Mulligan
- In Lincoln's hand, his original manuscripts, with commentary by distinguished Americans ; edited by Harold Holzer and Joshua Wolf Shenk ; foreword by James H. Billington
- Lincoln on war, edited and with an introduction by Harold Holzer
- Lincoln revisited, new insights from the Lincoln Forum, edited by John Y. Simon, Harold Holzer, and Dawn Vogel
- Going to the Devil: The Impeachment of 1868
- Lincoln as I knew him, gossip, tributes, and revelations from his best friends and worst enemies, edited by Harold Holzer
- Going to the Devil: The Impeachment of 1868, Episode 1
- President Lincoln assassinated!!, the firsthand story of the murder, manhunt, trial, and mourning, compiled and introduced by Harold Holzer