91_0194.zc      24787  05-26-92  Quill Corp. v. North Dakota, by and through
                               | its Tax Commissioner, Heitkamp --
                               | Concurring Opinion
91_0194.zo      76260  05-26-92  Quill Corp. v. North Dakota, by and through
                               | its Tax Commissioner, Heitkamp -- Opinion
91_0194.zs      21855  05-26-92  Quill Corp. v. North Dakota, by and through
                               | its Tax Commissioner, Heitkamp -- Syllabus
91_0194.zx      59377  05-26-92  Quill Corp. v. North Dakota, by and through
                               | its Tax Commissioner, Heitkamp -- Misc