Abraham Lincoln to John J. Hardin, 7 February 1846 (Congressional Digital Edition)
Fragment of Andrew Johnston to Abraham Lincoln, 10 March 1846 (Congressional Digital Edition)
Leander Munsell to Abraham Lincoln, 23 April 1846 (Congressional Digital Edition)
Abraham Lincoln to James Berdan, 26 April 1846 (Congressional Digital Edition)
Abraham Lincoln to John J. Hardin, 29 May 1846 (Congressional Digital Edition)
Summary of Speech at Lacon, Illinois, 18 July 1846 (Congressional Digital Edition)
Abraham Lincoln to William H. Herndon, 5 December 1847 (Congressional Digital Edition)
Abraham Lincoln to Thomas J. Henderson, 12 December 1847 (Congressional Digital Edition)
Circular of Edward M. Paxson, John P. Sanderson, and John W. Killinger to Henry E. Dummer, [16 December 1847] (Congressional Digital Edition)
Anson G. Henry to Abraham Lincoln, 29 December 1847 (Congressional Digital Edition)
Abraham Lincoln to Richard S. Thomas, 1 January 1848 (Congressional Digital Edition)
Summary of Speech at Wilmington, Delaware, 10 June 1848 (Congressional Digital Edition)
Abraham Lincoln to William H. Herndon, 12 June 1848 (Congressional Digital Edition)
Speech in United States House of Representatives regarding Internal Improvements, [20 June 1848] (Congressional Digital Edition)
Abraham Lincoln to William H. Herndon, 22 June 1848 (Congressional Digital Edition)
Edward D. Baker to John M. Clayton, 20 March 1849 (Campaign Digital Edition)
George S. Gideon to Abraham Lincoln, 18 April 1848 (Campaign Digital Edition)
Abraham Lincoln to William B. Preston, 20 April 1849 (Campaign Digital Edition)
Abraham Lincoln and Others to the Whigs of Illinois, 29 November 1851 (Campaign Digital Edition)
Abraham Lincoln to John M. Palmer, 7 September 1854 (Campaign Digital Edition)