The 21st Academy Awards, 1949Oscars.org – Academy of Motion Picture Arts and Sciences. Viitattu 10.6.2022. (englanniksi)
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The Best 1,000 Movies Ever Made. (Perustuu teokseen The New York Times Guide to the Best 1,000 Movies Ever Made, St. Martin's Griffin 2004.) The New York Times. Arkistoitu 11.7.2016. Viitattu 7.10.2016. (englanniksi)