Abraham Lincoln to Robert M. Ewing, 12 November 1856 (Campaign Digital Edition)
Abraham Lincoln to Richard Thorne, 13 November 1856 (Campaign Digital Edition)
Abraham Lincoln to Charles D. Gilfillan, 9 May 1857 (Campaign Digital Edition)
Abraham Lincoln to Alexander Campbell, 25 June 1858 (Campaign Digital Edition)
Anthony C. Hesing to Abraham Lincoln, 29 June 1858 (Campaign Digital Edition)
Abraham Lincoln to Anthony C. Hesing, Henry Wendt, and Anthony Fischer, 30 June 1858 (Campaign Digital Edition)
Abraham Smith to Abraham Lincoln, 20 July 1858 (Campaign Digital Edition)