Pittsburgh Outdoor Advertising Co. v. Clairton ( 1957 )
Pittsburgh v. Elman Associates, Inc. ( 1972 )
Commonwealth v. Flynn ( 1975 )
Wyszynski v. Philadelphia ( 1952 )
Wynnewood Civic Ass'n v. Lower Merion Township ( 1954 )
Knup v. Philadelphia ( 1956 )
Board of Zoning Adjustment v. Boykin ( 1957 )