Plasteel Products Corporation v. Clifton E. Helman, Trustees , 271 F.2d 354 ( 1959 )
Silvola v. ROWLEFT , 129 Colo. 522 ( 1954 )
FREEDMAN v. PHILA. TAX REV. BD. , 212 Pa. Super. 442 ( 1968 )
Phaff v. Gerner , 451 Pa. 146 ( 1973 )