james-a-bettis-v-united-states-of-america-brenda-j-bettis-by-and , 635 F.2d 1144 ( 1981 )
ronald-h-ross-a-minor-suing-by-and-through-his-next-friend-and-mother , 640 F.2d 511 ( 1981 )
Erie Railroad v. Tompkins , 58 S. Ct. 817 ( 1938 )