Abraham Lincoln to Elihu B. Washburne, 10 May 1858 (Campaign Digital Edition)
Abraham Lincoln to Charles L. Wilson, 1 June 1858 (Campaign Digital Edition)
Stephen G. Paddock and John H. Bryant to Abraham Lincoln, 4 June 1858 (Campaign Digital Edition)
Abraham Lincoln to Joseph Gillespie, 16 July 1858 (Campaign Digital Edition)
James Stelle to Abraham Lincoln, 28 July 1858 (Campaign Digital Edition)