Sources for Feature Films and Documentaries
Streaming Video Resources at Harvard: A Guide with Links
Includes databases of newsreels, such as The March of Time, and other primary film footage.
The Internet Archive
This huge collection includes much rare historical film, both documentary and dramatic. In the Advanced Search, type your search terms and select the mediatype movies. You can narrow your search results by date, subject, language, etc.
To find films in HOLLIS, use the Advanced Search and limit the Resource Type to Videos/Film.