Abraham Lincoln to the Editor of the Sangamo Journal, 13 June 1836 (Legislative Digital Edition)

Abraham Lincoln to John T. Stuart, 1 March 1840 (Legislative Digital Edition)

William G. Anderson to Abraham Lincoln, 30 October 1840 (Legislative Digital Edition)

Report of Proceedings of Whig Meeting at Springfield regarding the Economy and Political Conventions, 1 March 1843 (Congressional Digital Edition)

Proceedings of Whig Meeting at Springfield regarding the Presidential Election of 1844, 9-10 June 1843 (Congressional Digital Edition)

James L. D. Morrison to Abraham Lincoln, 25 June 1848 (Congressional Digital Edition)

Abraham Lincoln to Thaddeus Stevens, 3 September 1848 (Congressional Digital Edition)

Thaddeus Stevens to Abraham Lincoln, 7 September 1848 (Congressional Digital Edition)

James L. D. Morrison to Abraham Lincoln, 13 December 1848 (Congressional Digital Edition)