"HELEN [sic] CHADWICK, 41, ONCE STAR OF FILMS; Actress Credited with Earning $2,000 a Week Is Dead"
September 6, 1940 · pg. 21:4
Moving Picture World (US)
"Helene Chadwick"
July 12, 1924
Movie Weekly (US)
"Lunchtime in the Biograph Studio; With star, director and cameraman during the midday lull in studio activities--Miss Chadwick prefers California to New York"