within enthusiasts in entertainment, aviation and militaria collectibles groups. Aviation enthusiasts have referenced the quality and authenticity of World War I aviation in the film. The line 'For you the war is over, nicht wahr? We are friends' has been quoted ever since, although typically only the first six words. See also Jet Pilot (1957) List of early color feature films List of films with longest production time References Notes Citations Bibliography Balio, Tino. United Artists: The Company Built by the Stars. Madison, Wisconsin: University of Wisconsin Press, 2009. . Barlett, Donald L. and James B. Steele. Empire: The Life, Legend and Madness of Howard Hughes. New York: W.W. Norton & Company, 1979. , republished in 2004 as Howard Hughes: His Life and Madness. Baxter, John. Stanley Kubrick. New York: Da Capo Press, 1997. . Brown, Peter Harry and Pat H. Broeske. Howard Hughes: The Untold Story. New York: Penguin Books, 1996. . Budiansky, Stephen. Air Power. London: Penguin Group, 2004. . Curtis, James. James Whale: A New World of Gods and Monsters. Boston: Faber and Faber, 1998. . Dolan, Edward F. Jr. Hollywood Goes to War. London: Bison Books, 1985. . Eyman, Scott. The Speed of Sound: Hollywood and the Talkie Revolution, 1926–1930. New York: Simon & Schuster, 1997. . Farmer, James H. "Howard & Hell's Angels". Air Classics',' Volume 26, Number 12, December 1990. Hardwick, Jack and Ed Schnepf. "A Viewer's Guide to Aviation Movies". The Making of the Great Aviation Films, General Aviation Series, Volume 2, 1989. Orriss, Bruce. When Hollywood Ruled the Skies: The Aviation Film Classics of World War II. Hawthorne, California: Aero Associates Inc., 1984. . Osborne, Robert. 65 Years of the Oscar: The Official History of the Academy Awards London: Abbeville Press, 1994. . "Production of 'Hell's Angels' Cost the Lives of Three Aviators." Syracuse Herald'', December 28, 1930, p. 59. Robertson, Patrick. Film Facts. New York: Billboard Books, 2001. . External links Hell's Angels − Related details 1930 films 1930s color films 1930 drama films 1930s war drama films American aviation films American black-and-white films American epic films American war drama films Films directed by Howard Hughes Films directed by James Whale Films partially in color United Artists films Western Front (World War I) films World War I aviation films Cultural depictions of Manfred von Richthofen Films with screenplays by Harry Behn 1930s English-language films 1930s American films