"Byron Douglas. Veteran Actor to Be Buried Beside Wife, Niece of [Edwin] Booth."
April 23, 1935 · pg. 21:4
Variety (US)
"Marie Booth"
March 15, 1932 · pg. 63:2
New York Times (US)
"Actress, 75, Dies in Poverty Here; Mrs. Marie Booth Douglas, Said to Be Niece of Edwin Booth, Found Dead in Flat. Long Lived As Recluse; Letters in Trunk Corroborate Her Story of Relationship to the Noted Stage Family."
March 11, 1932 · pg. 40:2
New York Times (US)
"Byron Douglas Safe Now. Warrant the Actor Has Been Dodging for Not Paying Alimony Is Stayed."