The Choirboys [MP] c1977: t.p. (starring Charles Durning)

Halliwell's Filmgoer's companion, 1983 (Charles Durning; b. 1933)

Internet movie database, November 6, 2008 (Charles Durning; b. Feb. 28, 1923, Highland Falls, N.Y.; alternate name, Charles Durnham; nickname Chuck; actor)

Biog. index online, Jan. 26, 2001 (Durning, Charles, 1923-)

Cinemabilia Web site, Jan. 26, 2001 (Charles Durning; b. Feb. 28, 1923)

New York times WWW site, Dec. 26, 2012 (in obituary published Dec. 25: Charles Durning; b. Charles Edward Durning, Feb. 28, 1923, Highland Falls, N.Y.; d. Monday [Dec. 24, 2012], Manhattan, aged 89; overcame poverty, battlefield trauma, and nagging self-doubt to become an acclaimed character actor, whether on stage as Big Daddy in Cat on a hot tin roof, or in film as the lonely widower smitten with a cross-dressing Dustin Hoffman in Tootsie)