Tolong jelaskan mengenai Sumber dari Anna Roosevelt Halsted dalam bahasa melayu

Syracuse Herald, Jan 18, 1935. p 11 "Anna Dall marries"

Syracuse Herald, Jan 18, 1935. p 11 "Anna Dall marries"

Roosevelt, James: My Parents, A Differing View. Playboy Press, 1976

Hansen, Chris: Enfant Terrible: The Times and Schemes of General Elliott Roosevelt. Able Baker Press, 2012

Asbell, Bernard: Mother and Daughter: the letters of Eleanor and Anna Roosevelt. Fromm International, 1988

4th Quarter 2007 The Franklin D Roosevelt Library at NARA has recently "...received correspondence between Curtis B. Dall, Anna Roosevelt's first husband, and the Roosevelt family, donated by his daughter Mary Dall Twichell...."