Darkest Dawn: Lincoln, Booth, and the Great American Tragedy by Thomas Goodrich; Dark Union: The Secret Web of Profiteers, Politicians, and Booth Conspirators that Led to Lincoln's Death by Leonard F. Guttridge and Ray A. Neff

Pfau, M. W. (2006). Darkest Dawn: Lincoln, Booth, and the Great American Tragedy by Thomas Goodrich; Dark Union: The Secret Web of Profiteers, Politicians, and Booth Conspirators that Led to Lincoln’s Death by Leonard F. Guttridge and Ray A. Neff. Indiana Magazine of History. Retrieved from https://scholarworks.iu.edu/journals/index.php/imh/article/view/12227