John Bell to Abraham Lincoln, 17 September 1848 (Congressional Digital Edition)
Report of Speech at Taunton, Massachusetts, [21] September 1848 (Congressional Digital Edition)
Summary of Speech at Chicago, Illinois, 6 October 1848 (Congressional Digital Edition)
Summary of Debate at Jacksonville, Illinois, 21 October 1848 (Congressional Digital Edition)
Summary of Speech at Lacon, Illinois, 1 November 1848 (Congressional Digital Edition)
Philo H. Thompson to Abraham Lincoln, 7 December 1848 (Congressional Digital Edition)
James L. D. Morrison to Abraham Lincoln, 13 December 1848 (Congressional Digital Edition)
Abraham Lincoln to James Berdan, 15 January 1849 (Congressional Digital Edition)
Samuel R. Baker to Abraham Lincoln, 31 January 1849 (Congressional Digital Edition)
Alexander P. H. Doyle to Abraham Lincoln, February 1849 (Congressional Digital Edition)
Abraham Lincoln to Elisha Embree, 12 September 1849 (Campaign Digital Edition)
Abraham Lincoln to Josiah M. Lucas, 17 November 1849 (Campaign Digital Edition)
Abraham Lincoln to Zachary Taylor, 25 January 1850 (Campaign Digital Edition)
Abraham Lincoln to Orville H. Browning, 29 January 1850 (Campaign Digital Edition)
Abraham Lincoln to William B. Preston, 29 January 1850 (Campaign Digital Edition)
Abraham Lincoln to the Editors of the Illinois Journal, 5 June 1850 (Campaign Digital Edition)
Abraham Lincoln to James A. Pearce, 13 January 1851 (Campaign Digital Edition)
Abraham Lincoln to Willie P. Mangum, 19 August 1852 (Campaign Digital Edition)
Thomas Corwin to Abraham Lincoln, 27 August 1852 (Campaign Digital Edition)
Abraham Lincoln, Benjamin S. Edwards, and Stephen T. Logan to the Editors of the Illinois Daily Journal, 1 November 1852 (Campaign Digital Edition)