Letter from Abraham Lincoln to Gustavus Vasa Fox, May 1, 1861
written by Abraham Lincoln, 1809-1865 (1861); edited by Robert M. Thompson, 1849-1930 and Richard Wainwright, 1849-1926; in Confidential Correspondence of Gustavus Vasa Fox: Assistant Secretary of the Navy, 1861-1865, Vol. 1 (New York, NY, 1918), 62-63
