Receipt of John T. Stuart and Abraham Lincoln to David Prickett, 6 August 1839 (Legislative Digital Edition)
Abraham Lincoln to Joshua F. Speed, 13 April 1842 (Congressional Digital Edition)
Abraham Lincoln to Samuel D. Marshall, 14 July 1842 (Congressional Digital Edition)
Logan & Lincoln to Benjamin Briggs, 24 December 1842 (Congressional Digital Edition)
Abraham Lincoln to Lewis M. Hays, 11 November 1853 (Campaign Digital Edition)