Lincoln writes the affidavit of defendant Philip Clark in Shoup v. Clark, a suit being appealed in the Sangamon County Circuit Court. In the affidavit, Clark states that he wishes to take the deposition of a material witness, Charles Trumbull of Madison County, and to submit Trumbull's deposition as evidence in the case.Affidavit, 4 June 1842, Shoup v. Clark, Harvard University, Houghton Library, Cambridge, MA.