Offers public domain photographs and other photographs from national and international libraries, museums, archives, and cultural institutions.
Started as a pilot project with the Library of Congress, the Commons on Flickr includes publicly-held photography collections from cultural heritage institutions around the world. Organizations sharing photographs include the Smithsonian, several college and university libraries as well as state and national libraries. Most photos in the collection are public domain or have no known copyright restrictions.
This resource is open to the general public.