Spang Co. v. Commonwealth , 281 Pa. 414 ( 1924 )
Heil v. Allegheny County , 330 Pa. 449 ( 1938 )
Cox v. City of Philadelphia , 107 Pa. Super. 455 ( 1932 )
Locust St. Subway Construction , 117 Pa. Super. 86 ( 1934 )