Jennings' Appeal , 330 Pa. 154 ( 1938 )
Elkins Park Impr. Assn. Zoning Case , 361 Pa. 322 ( 1949 )
Pincus v. Power , 376 Pa. 175 ( 1954 )
Silverco, Inc. v. Zoning Board of Adjustment , 379 Pa. 497 ( 1954 )