found: The woman accused [MP] 1933:credits (by Sophie Kerr)
found: Kent, Robert E. Father is a prince, 1940:t.p. (screenplay ... from play by Sophie Kerr Underwood)
found: LC in OCLC, 12-20-89(hdg.: Kerr, Sophie, b. 1880)
found: OCLC, 12-20-89(hdg.: Kerr, Sophie (Underwood), 1880-; usages: Sophie Kerr; Sophia Kerr)
found: Notable names in the Amer. theatre, 1976(Kerr, Sophie; novelist, author, playwright; b. Denton, MD, Aug. 23, 1880; d. N.Y.C., Feb. 6, 1965)
found: Internet movie database, Oct. 12, 2004(Sophie Kerr, b. Aug. 23, 1880 in Denton, Maryland; d. Feb. 6, 1965 in New York, NY; sometimes credited as Sophie Kerr Underwood; writer)