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Class I:

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Films in which the protagonist or other major characters are librarians and/or archivists, and the occupation serves as catalyst or is otherwise integral to the plot.

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Class II:

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Films in which the protagonist or other major characters are librarians and/or archivists, but the occupation does NOT directly affect the plot.

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Class III:

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Films in which the librarian and/or archivist plays a secondary role, ranging from a supporting character to a minor character with perhaps only a few lines in one memorable or significant scene.

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Class IV:

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Films in which the librarian and/or archivist plays a cameo role and is seen only briefly with little or no dialogue.

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Class V:

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These are films with no identifiable librarians and/or archivists, although the films mention librarians and/or have scenes set in libraries.

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Class VI:

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These are films with no identifiable librarians and/or archivists, as these films have been mistakenly listed on other sites or lists of reel librarians.

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