
Ad*Access from Duke University Libraries' digital repository contains over 7,000 U.S. and Canadian advertisements covering five product categories - Beauty and Hygiene, Radio, Television, Transportation, and World War II propaganda - dated between 1911 and 1955.

C-SPAN Video Library has more than 246,000 hours of programming (just about everything that has ever aired on C-SPAN). Historical content, debates, speeches, rallies and more!

Chronicling America is a vast free database from the Library of Congress that contains archived U.S. newspapers.

Europeana has over 58,000,000 artworks, artifacts, books, films, and music to explore, all from European museums, galleries, libraries and archives.

The Internet Archive is a nonprofit digital library with the stated mission of "universal access to all knowledge." It provides free public access to collections of digitized materials, including websites, software applications/games, music, movies/videos, moving images, and nearly three million public-domain books.

Pen America Archive is an online archive with more than 1,500 hours of audio and video going as far back as 1966. These recordings of meetings, debates, and panel discussions offer a wealth of literary and cultural discourse.

Smithsonian Open Access holds over 3 million 2D and 3D digital items across all 19 of the Smithsonian's museums, their research centers, and other institutions. All of these resources are free to download, share, and reuse!