Elihu B. Washburne to Abraham Lincoln, 17 January [1855] (Campaign Digital Edition)
Abraham Lincoln to Peter H. Watson, 23 July 1855 (Campaign Digital Edition)
Abraham Lincoln to Manny & Company, 1 September 1855 (Campaign Digital Edition)
Abraham Lincoln to Jonathan Haines, 24 November 1856 (Campaign Digital Edition)
Abraham Lincoln to Jonathan Haines, 25 November 1857 (Campaign Digital Edition)
Abraham Lincoln to Jonathan Haines, 27 March 1858 (Campaign Digital Edition)