Hush--hush, sweet Charlotte [MP] c1964: t.p. (Agnes Moorehead)

Halliwell's Filmgoers' companion, 1983 (Agnes Moorehead; b. 1906; d. 1974)

LC data base, 9/11/85 (hdg.: Moorehead, Agnes, 1906-1974)

Kear, L. Agnes Moorehead, c1992: CIP galley (author claims Moorehead's actual b.d. Dec. 6, 1900, altho ref. books list her as Dec. 6, 1906; full name: Agnes Robertson Moorehead)

IMDB, Feb. 23, 2011 (Agnes Moorehead; Agnes Robertson Moorehead; b. Dec. 6, 1900 in Clinton, Mass.; d. Apr. 30, 1974 in Rochester, Minn.; actress)

Wikidata, viewed October 25, 2019 (Agnes Moorehead; Agnes Robertson Moorehead; born December 6, 1900 and died April 30, 1974; actress claimed to be born in 1906 for acting parts)

Agnes Moorehead (1900-1974) was an American actress.