Natwick, Mildred, 1905-1994 (Personal Name)

Hallmark hall of fame. Arsenic & old lace [MP] 1962: credits (starring Mildred Natwick)

Halliwell's filmgoer's companion, 1985 (Mildred Natwick; b. 1908)

Internet Movie Database, Feb. 23, 2006 (Mildred Natwick; b. June 19, 1905, Baltimore, Md., d. Oct. 25, 1994, New York, N.Y.)