Orr v. William J. Burns International Detective Agency , 337 Pa. 587 ( 1940 )
Hughes v. Pittsburgh Transportation Co. , 300 Pa. 55 ( 1930 )
Sargeant v. Ayers , 358 Pa. 393 ( 1948 )
Kimble v. Wilson , 352 Pa. 275 ( 1945 )
Grimes v. Yellow Cab Co. , 344 Pa. 298 ( 1942 )