Site name: Prelinger Archives
Url: https://archive.org/details/prelinger
Rights statement: https://www.panix.com/~footage/prelarch.html
Material seen on site: Over 3,000 publicly accessible films, videos, and rare and obscure industrial, educational, and amateur films from the 1930s to the 1970s are collected in the Prelinger Archives, which is a comprehensive online collection that can be viewed and reused for free under Creative Commons licenses, although not all films on the site have such licensing.