Commonwealth v. Tunnell , 463 Pa. 462 ( 1975 )
Commonwealth v. Via , 455 Pa. 373 ( 1974 )
Commonwealth v. Dancer , 460 Pa. 95 ( 1975 )
Commonwealth v. Fiero , 462 Pa. 409 ( 1975 )
Douglas v. California , 83 S. Ct. 814 ( 1963 )