Lincoln, A., & McPherson, J. M. (2008). "I begin to see it": Abraham Lincoln to Ulysses Grant, 1864 : a manuscript from the Gilder Lehrman Collection. New York: Gilder Lehrman Institute of American History.

Lincoln, Abraham, and James M. McPherson. "I Begin to See It": Abraham Lincoln to Ulysses Grant, 1864 : A Manuscript From the Gilder Lehrman Collection. New York: Gilder Lehrman Institute of American History, 2008.

Lincoln, Abraham, and James M. McPherson. "I Begin to See It": Abraham Lincoln to Ulysses Grant, 1864 : A Manuscript From the Gilder Lehrman Collection. New York: Gilder Lehrman Institute of American History, 2008.