Commonwealth v. Shaw , 444 Pa. 110 ( 1971 )
Commonwealth v. Dial , 218 Pa. Super. 248 ( 1971 )
Commonwealth v. Bove , 221 Pa. Super. 345 ( 1972 )
Spinelli v. United States , 89 S. Ct. 584 ( 1969 )
People v. Dolgin , 415 Ill. 434 ( 1953 )