Protest in Illinois Legislature on Slavery, 3 March 1837 (Legislative Digital Edition)

Summary of Legislative Debate on Resolutions in Relation to Fugitives, 5 January 1839 (Legislative Digital Edition)

Abraham Lincoln to Mary Speed, 27 September 1841 (Congressional Digital Edition)

Abraham Lincoln to John J. Hardin, 21 May 1844 (Congressional Digital Edition)

Abraham Lincoln to Williamson Durley, 3 October 1845 (Congressional Digital Edition)

Notes on What General Taylor Ought to Say, [March 1848] (Congressional Digital Edition)

Summary of Speech at Boston, Massachusetts, 15 September 1848 (Congressional Digital Edition)

Summary of Speech at Lacon, Illinois, 1 November 1848 (Congressional Digital Edition)

Amendment to a Resolution regarding Slavery in the District of Columbia, [10 January 1849] (Congressional Digital Edition)

Petition of A. L. Harrington and Others to U.S. Congress, [28 February 1849] (Congressional Digital Edition)