In the Logan County Circuit Court, Lincoln and Charles H. Goodrich represent defendants Lorenzo D. Hamilton and Jefferson L. Dugger in the case of Hickey v. Hamilton & Dugger. Lincoln files a plea for the defendants, signing it "Goodrich & Lincoln." The plaintiff, John W. Hickey, is suing Hamilton and Dugger for breach of contract related to the sale of some hogs. Plea, filed 18 March 1858, Hickey v. Hamilton & Dugger, IHi, Springfield, IL; Testimony, March 1858 Term, Hickey v. Hamilton & Dugger, case file, Logan County Circuit Court, Logan County Courthouse, Lincoln, IL.