found: NUCMC data from Franklin D. Roosevelt Library for Eleanor Roosevelt oral history transcripts, 1977-1980(Margaret Richardson; Margaret Richardson Roosevelt; wife of G. Hall Roosevelt, brother of Eleanor Roosevelt; mother of Eleanor Roosevelt Wotkyns)
found: Burke's presidential families, 1974:p. 424 (Gracie Hall Roosevelt m. 17 June 1912 Margaret Richardson (b. Boston 29 May 1892; dec.); dau. of Prof. Maurice Howe Richardson, MD, and wife Margaret White Peirson)
found: Lash, J.P. Eleanor and Franklin, c1971:p. 557, etc. (Margaret Cutter, Hall's [Roosevelt] former wife; Margaret Richardson; Mrs. Hall Roosevelt)
