McMahan v. Musgrave , 229 S.W.2d 894 ( 1950 )
Childers v. Texas N. O. R. Co. , 89 S.W.2d 478 ( 1935 )
Wichita Falls, R. Ft. W. Ry. v. Sparks , 12 S.W.2d 1082 ( 1928 )