Gumpp v. Philadelphia Life Insurance Co. , 562 S.W.2d 885 ( 1978 )
Hoover v. Barker , 1974 Tex. App. LEXIS 2173 ( 1974 )
American Trendex Corp. v. Ultradyne Corp. , 1973 Tex. App. LEXIS 2376 ( 1973 )