Library of Congress
The Library of Congress(LOC) contains millions of books, photographs, papers, maps, films, sundry printed materials and recordings. The digital collection covers a large portion of these. The digital collection is predominantly in the public domain or no known copyright restrictions, items the LOC has permissions for or those with special access. The rights category that each image falls into is clearly listed in the item information and metadata.
Prelinger Archives
Prelinger Archives : Free Movies : Free Download, Borrow and Streaming : Internet Archivehttps://archive.org/details/prelinger
https://archive.org/details/prelinger
The Prelinger Archive offers video collected from a variety of sources. The Prelinger Archive notes that its focus in recent years has been home movies, however it also has an extensive archive of industrial, educational and advertising videos and tapes. They are available under creative commons and the public domain, with the exception of reproduction of stock footage, handled through Getty Images. The descriptions are under copyright by the Prelinger Archive. The films that are covered under the public domain and creative commons are clearly marked as such, although some will require extra research to determine permissions for use.
