Kirkland, Richard Lawrence, W. Stewart Campbell, Peter R. Romero, Jim Poynter, GeorgeR. Nelson) Box Office Mojo上《The Right Stuff》的資料(英文) Buckbee, Ed and
Lucas, George. A Legacy of Filmmakers: The Early Years of American Zoetrope (DVD). Warner Bros. Home Video. 2004. Marcus Hearn. The Cinema of George Lucas
Michael R. Gagool and Gollum: Exemplars of Degeneration in King Solomon's Mines and The Hobbit. George Clark and Daniel Timmons (eds.) (编). J.R.R. Tolkien
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