Commonwealth v. McKenna , 476 Pa. 428 ( 1978 )
Commonwealth Ex Rel. Firmstone v. Myers , 207 Pa. Super. 453 ( 1966 )
United States of America, Ex Rel. Nathaniel Firmstone v. Charles G. Day, Warden, State Penitentiary , 220 F.2d 746 ( 1955 )