"Mrs. J. De Angelis; Widow of Comedian With Whom She Had Appeared on Stage"
December 24, 1938 · pg. 15:2
New York Times (US)
"De Angelis Dies; Famous Comedian; Graced the Stage for 60 Years, Making His Debut When a Youth of 10. Sang in 100 Light Operas; Toured the World With Own 'Uncle Tom's Cabin' Company--Made Footlight History."
March 21, 1933 · pg. 17:1
Variety (US)
"Jefferson De Angelis"
March 21, 1933 · pg. 55:1
New York Times (US)
"De Angelis to Mark 60 Years on Stage; Invites His Old Associates to Performance of 'Apron Strings' Next Thursday. Made His Debut as Boy; He Was Long Comedian With McCaull Opera Company and Latera Comic Opera Star."