ND Illinois September 1949 casesStahly v. JacobsBlock v. PlautUnited States v. NelsonTinkoff v. CampbellHazeltine Research v. Admiral Corp.In re Keeshin Freight LinesMetropolitan Opera Ass'n., Inc. v. Metropolitan Opera Ass'n. of Chicago, Inc.Harshberger v. TarrsonUnited States v. WalshHarvey v. United States