Abraham Lincoln to the People of Sangamon County, 9 March 1832 (Legislative Digital Edition)
Summary of Legislative Debate on Resolutions Asking Information on Railroad and Fund Commissioners, 8 December 1838 (Legislative Digital Edition)
Summary of Legislative Debate on Bill to Incorporate the Springfield and Alton Railroad Company, 6 February 1841 (Legislative Digital Edition)
Alton & Sangamon Railroad Stock Subscription Book, 20 May 1847 (Congressional Digital Edition)
Abraham Lincoln and Others to the People of Sangamon County, 30 June 1847 (Congressional Digital Edition)
Report of John Calhoun and Others regarding the Alton and Springfield Railroad, 5 August 1847 (Congressional Digital Edition)
Petition of John Chatham and Others to U.S. Congress, [December 1847] (Congressional Digital Edition)
Report of Legislative Proceeding regarding Postal Contracts, 5 January 1848 (Congressional Digital Edition)
Report of Legislative Proceedings regarding Postal Contracts, 6 January 1848 (Congressional Digital Edition)
Petition of John Rogers and Others to U.S. Congress, [14 February 1848] (Congressional Digital Edition)
Justin Butterfield to Abraham Lincoln, 27 February 1848 (Congressional Digital Edition)
Petition of R. C. Cowden and Others to U.S. Congress, 20 December 1848 (Congressional Digital Edition)
Petition of William C. Greenleaf and Others to U.S. Congress, 20 January 1849 (Congressional Digital Edition)
Petition of R. W. Burton and Others to U.S. Congress, [29 January 1849] (Congressional Digital Edition)
Petition of A. H. H. Perkins and Others to U.S. Congress, [1 February 1849] (Congressional Digital Edition)
Petition of Ezekiel Bowman and Others to U.S. Congress, [13 February 1849] (Congressional Digital Edition)
Joint Resolution of Illinois General Assembly to Abraham Lincoln, 19 February 1849 (Congressional Digital Edition)
Abraham Lincoln to Unknown, [1848-1849] (Congressional Digital Edition)
Abraham Lincoln to William Martin, 19 February 1851 (Campaign Digital Edition)
Abraham Lincoln to William Martin, 21 February 1851 (Campaign Digital Edition)