Potts Dept. Store v. Lutz Sweigart , 1930 Pa. Super. LEXIS 238 ( 1929 )
Derbyshire Bros. v. McManamy , 1931 Pa. Super. LEXIS 355 ( 1930 )
Strawbridge & Clothier v. Stiffler , 1930 Pa. Super. LEXIS 68 ( 1930 )