| Tom Pendergast, Sara Pendergast (eds.) International Dictionary of Films and Filmmakers, 1. Films Detroit/New York/San Francisco/London/Boston/Woodbridge, CT, 2000 |
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Robert Bookbinder The Films of the Seventies Secaucus, NJ, 1982 |
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Larry Langman & David Ebner Encyclopedia of American Spy Films New York & London, 1990 |