<Tr> <Td> 1973 </Td> <Td> Emergency! </Td> <Td> Eunice Evans </Td> <Td> Episode: "Computer Error" </Td> </Tr> <Tr> <Td> </Td> <Td> Gunsmoke </Td> <Td> Maylee Baines </Td> <Td> Episode: "The Foundling" </Td> </Tr> <Tr> <Td> 1974--1979 </Td> <Td> Little House on the Prairie </Td> <Td> Grace Snider Edwards </Td> <Td> 26 episodes </Td> </Tr> <Tr> <Td> </Td> <Td> Waltons, The The Waltons </Td> <Td> Martha Rudge </Td> <Td> Episode: "The Car" </Td> </Tr>

Who played mr edwards wife on little house on the prairie