91_119.zc     Wisconsin Department of Revenue v. William Wrigley, Jr., Co. -- Concurring Opinion
91_119.zd     Wisconsin Department of Revenue v. William Wrigley, Jr., Co. -- Dissenting Opinion
91_119.zo     Wisconsin Department of Revenue v. William Wrigley, Jr., Co. -- Opinion
91_119.zs     Wisconsin Department of Revenue v. William Wrigley, Jr., Co. -- Syllabus