In the appeal case of Backenstos v. Pollard in the Menard County Circuit Court, Lincoln writes a bill for injunction for his client Andrew M. Pollard. Judge Samuel H. Treat endorses the bill, and Lincoln mails it to Petersburg, where the court clerk files it. Lincoln, representing appellant Thomas Watkins, files a record and an assignment of errors with the clerk of the Illinois Supreme Court in the case of Watkins v. White. Bill for Injunction, filed 30 June 1842, Backenstos v. Pollard, Menard County Circuit Court, Illinois State Archives, Springfield, IL; Circuit Court Transcript, filed 30 June 1842, Watkins v. White, Illinois State Archives, Springfield, IL; Assignment of Errors, filed 30 June 1842, Watkins v. White, Harvard University, Houghton Library, Cambridge, MA.