Tyreco Refining Co. v. Cook , 149 S.W.2d 136 ( 1941 )
Traders & General Ins. Co. v. Boysen , 123 S.W.2d 1016 ( 1939 )
Leatherwood Drilling Co. v. TXL Oil Corporation , 1964 Tex. App. LEXIS 2553 ( 1964 )