Delaware Valley Surgical Supply Co. v. Geriatric & Medical Centers, Inc. , 450 Pa. 239 ( 1973 )
Heidelberger v. Jewel Companies, Inc. , 57 Ill. 2d 87 ( 1974 )
Ledlow v. Goodyear Tire Rubber Co. of Alabama , 238 Ala. 35 ( 1939 )