Commissioner v. Groetzinger , 107 S. Ct. 980 ( 1987 )
Travis v. Yale & Towne Manufacturing Co. , 40 S. Ct. 228 ( 1920 )
Shaffer v. Carter , 40 S. Ct. 221 ( 1920 )
Austin v. New Hampshire , 95 S. Ct. 1191 ( 1975 )
Wood v. Department of Revenue , 305 Or. 23 ( 1988 )