Affidavit of Thomas Bowles in Casey v. Bowles, 12 November 1839 (Legislative Digital Edition)
Abraham Lincoln to Mary Speed, 27 September 1841 (Congressional Digital Edition)
Mary Lincoln to Abraham Lincoln, May 1848 (Congressional Digital Edition)
Abraham Lincoln to Mr. Wallace, January 1851 (Campaign Digital Edition)
Abraham Lincoln to Gustave P. Koerner, 15 July 1858 (Campaign Digital Edition)
Gustave P. Koerner to Abraham Lincoln, 17 July 1858 (Campaign Digital Edition)
William H. L. Wallace to Abraham Lincoln, 9 August 1858 (Campaign Digital Edition)
Thomas A. Marshall to Abraham Lincoln, 27 August [1858] (Campaign Digital Edition)
Thomas A. Marshall to Abraham Lincoln, 29 August [1858] (Campaign Digital Edition)
Gustave P. Koerner to Abraham Lincoln, 30 September 1858 (Campaign Digital Edition)