Rosalynn Carter at the NMHT, by Hofmeister, Richard K, July 20, 1978, Smithsonian Archives - History Div, Rosalynn Carter poses with Secretary S. Dillon Ripley (1964-1984) and political history curator Margaret Klapthor in the National Museum of History and Technology, now the National Museum of American History, after Mrs. Carter presented her Inaugural Ball gown to the First Ladies Hall, July 20, 1978..