Petition of Thompson Campbell and Others to Unknown, [November 1844 - April 1845] (Congressional Digital Edition)
Proceedings of the Sangamon County Bar regarding Charles R. Welles, 29 November 1854 (Campaign Digital Edition)
Report of Proceedings of the Eighth Judicial Circuit Bar regarding David B. Campbell, [17] April 1855 (Campaign Digital Edition)
Proceedings of the Springfield Bar Association regarding James H. Matheny, 20 December 1856 (Campaign Digital Edition)