Casas, J. Raoul Walsh, 1982: t.p. (Raoul Walsh) p. 13 (d. Dec. 31, 1980)
International dictionary of films and film-makers, Bd. 2, 1991: p. 884 (American; b. in New York City, 11 March 1887; some sources say 1892)
Regeneration, 199-: credits (direction by R.A. Walsh; adapted by R.A. Walsh)
IMDb, Apr. 5, 2005 (Raoul Walsh; b. Mar. 11, 1887, New York, N.Y.; d. Dec. 31, 1980, Simi Valley, Calif.; sometimes credited as R.A. Walsh, Raoul A. Walsh; birth name: Albert Edward Walsh; nickname: Uncle; one of the 36 founders of the Academy of Motion Picture Arts and Sciences)
Biog. resource center, Apr. 5, 2005 (Raoul Walsh (Mar. 11, 1887-Dec. 30, 1980); motion-picture actor and director)