Retirement Party for Helena M. Weiss, , Smithsonian Institution Archives, Retirement party for Helena M. Weiss (Chief, Division of Correspondence and Documents, 1948-1956; Registrar, Office of the Registrar, 1956-1971) in the Great Hall of the Smithsonian Institution Building, or Castle, Under Secretary James C. Bradley, and former Secretaries Dr. Leonard Carmichael, Dr. Alexander Wetmore, and Charles Greeley Abbot..