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Search for millions of open access articles and materials on any topic worldwide through OCLC's open access interface, OAIster (or Open Archives Initiative)
OASIS aims to provide an authoritative ‘sourcebook’ on Open Access, covering the concept, principles, advantages, approaches and means to achieving it. The site highlights developments and initiatives from around the world, with links to diverse additional resources and case studies.
OpenDOAR is an authoritative directory of academic open access repositories. Each OpenDOAR repository has been visited by project staff to check the information that is recorded here. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories
Open Access Books
Online Books Page
Hosted by the University of Pennsylvania, this site includes over 40,000 full-text books, arranged by LC classification. Books included generally are: 1) not copyrighted under the Berne Convention, 2) out of copyright, 3) posted with permission for non-commercial use, or 4) posted as part of existing licensing provision.
European network of open access books.
Explore digital collections around the world and investigate exciting opportunities for research in the Global Gateway at the Library of Congress. Includes also multimedia such as webcasts and selected videos.
World Digital Library
This resource from the United Nations Educational and Cultural Organization contains primary materials from every continent. Includes books, journals, maps, photographs, art, and multimedia in history, geography, religion, art, natural sciences, mathematics, technology, literature, philosophy and more.
Visit the Prelinger Archives where two-thirds of the films listed are available for free download via the Internet Archive.