The Hoover Institution Archives, Stanford University collection contains audiovisual material (moving images, audio) from the 1920s to the 1990s. The majority of the collection consists of political election content and includes Ronald Reagan presidential campaign TV advertisements.
The Pacifica Radio Archives collection contains audio recordings from the 1940s to the 1990s. The majority of the collection consists of oral history and programs on politics, art and culture. Highlights include a recording of Allen Ginsberg reading his poetry.