Commonwealth v. Purvis , 458 Pa. 359 ( 1974 )
Commonwealth v. Goodwin , 460 Pa. 516 ( 1975 )
Commonwealth v. Smith , 470 Pa. 220 ( 1977 )
Commonwealth v. Whitney , 511 Pa. 232 ( 1986 )
Commonwealth v. Hunt , 263 Pa. Super. 504 ( 1979 )
Commonwealth v. Clark , 516 Pa. 599 ( 1987 )