Generally, all manner of films outside the commercial mainstream: amateur,
educational,
ethnographic,
industrial,
government,
experimental,
censored,
independent,
sponsored,
obsolescent,
small-gauge,
silent,
student,
medical,
unreleased, and
underground films, as well as
kinescopes,
home movies,
test reels,
newsreels,
outtakes,
fringe TV,
and other
ephemeral moving images.
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