Search or browse the growing collection of digitized posters, photographs, manuscripts, moving images, sound recordings, and other historical materials from the Hoover Institution Library & Archives. Includes propaganda, political materials, Cold War, art, speeches, literature. Documenting science and technology, cultural movements. Materials date back through 1874.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 607 billion archived web pages. It is building a digital library of Internet sites and other cultural artifacts in digital form.