Michael Burlingame, Abraham Lincoln: A Life (Baltimore: The John Hopkins University Press, 2008), 2: 818-819.
|Henry W. Halleck to William T. Sherman, April 15, 1865|
|Maunsell Bradhurst Field to Editor New York Times, Letter accounting the Passing of President Abraham Lincoln, April 16, 1865|
|"The Murder of President Lincoln," New York Times, April 16, 1865|
|William T. Sherman to William W. Halleck, April 18, 1865|
|Milwaukee (WI) Sentinel, “The Calamity,” April 19, 1865|
|William T. Clark to Ida Clark, Washington D.C., April 19, 1865|