Lincoln is counsel for appellants in two related cases—Ross v. Irving, and Pryor v. Irving—before Supreme Court. Cases involve constitutionality of "occupying claimants' law," pertaining to manner of assessing value of improvements on land. Williams argues for appellants, Blackwell and Grimshaw for appellees. Record.

Lincoln writes and signs rejoinder in Wallace v. Witmer & Langford, Sangamon Circuit Court case. Herndon-Weik Collection, Library of Congress, Washington, DC.