Abraham Lincoln to Eliza Browning, 1 April 1838 (Legislative Digital Edition)

Eliza Browning to John J. Hardin and Others, 20 December 1839 (Legislative Digital Edition)

Abraham Lincoln to Joshua F. Speed, [1 January 1842] (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 3 February 1842 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 13 February 1842 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 25 February 1842 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 25 February 1842 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 27 March 1842 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 18 January 1843 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 24 March 1843 (Congressional Digital Edition)

Abraham Lincoln to Joshua F. Speed, 18 May 1843 (Congressional Digital Edition)

Abraham Lincoln to Ignatius R. Simms, 4 March 1848 (Congressional Digital Edition)

John H. Morrison to Abraham Lincoln, 26 April 1849 (Campaign Digital Edition)

John J. Crittenden to Abraham Lincoln, 29 July 1858 (Campaign Digital Edition)