«National Film Registry: Frequently Asked Questions». Library of Congress. Besøkt 14.11.2016. «What is the National Film Registry? It is a list of films deemed "culturally, historically or aesthetically significant" that are earmarked for preservation by the Library of Congress. These films are not selected as the 'best' American films of all time, but rather as works of enduring importance to American culture. They reflect who we are as a people and as a nation.»
«National Film Preservation Board». Library of Congress. Besøkt 14.11.2016. «Established by the National Film Preservation Act of 1988, the National Film Preservation Board works to ensure the survival, conservation and increased public availability of America's film heritage, including: advising the Librarian on its recommendations for annual selections to the National Film Registry, apprising the Librarian of changing trends and policies in the field of film preservation, and counseling the Librarian on ongoing implementation of the National Film Preservation Plan.»
