Commonwealth v. Giovanetti , 341 Pa. 345 ( 1941 )
Commonwealth v. Wilson , 449 Pa. 235 ( 1972 )
Commonwealth v. Rife , 454 Pa. 506 ( 1973 )
Commonwealth v. Leach , 455 Pa. 448 ( 1974 )
Commonwealth v. Vaughn , 459 Pa. 35 ( 1974 )