Burbage v. Boiler Engineering & Supply Co. , 433 Pa. 319 ( 1969 )
Coleman v. Denio , 411 Pa. 148 ( 1963 )
Andrews v. Smith Et Ux. , 324 Pa. 455 ( 1936 )
Downey v. Weston , 451 Pa. 259 ( 1973 )