Free, full-text scholarly articles from hundreds of universities and colleges worldwide. Curated by university librarians and their supporting institutions, the Network includes a growing collection of peer-reviewed journal articles, book chapters, dissertations, working papers, conference proceedings, and other original scholarly work.

A collection of open access, peer-reviewed books.

A digital library of Internet sites and other cultural artifacts in digital form; provides free access to researchers, historians, scholars, the print disabled, and the general public.

OAPEN Library contains freely accessible academic books, mainly in the area of humanities and social sciences.

One of the oldest and most famous online book collections. Most of the items the collection are the full texts of public domain books.

WorldCat.org lets you search the collections of libraries in your community and thousands more around the world.

A home for the discovery of digitized material and research outputs from the University of Cambridge and beyond. Content is freely available for use within teaching and research.

All of the materials found through DPLA—photographs, books, maps, news footage, oral histories, personal letters, museum objects, artwork, government documents, and so much more—are free and immediately available in digital format.

Digitized copies of over 320 volumes of 16th-century anthologies of printed music, from holdings at the British Library.

Free digital backlist titles from the Getty Publications Archives.

HathiTrust is a partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world. Select 'Advanced Search' to search by format type; select 'Full-Text Only' to retrieve Open Access content.

Find and read free books online by some of literature's greatest authors, including Frederick Douglass, Charles Dickens, Edgar Allan Poe, Rudyard Kipling, Mark Twain, William Shakespeare, and more.

Free, public domain ebooks and reports from NASA on aeronautics, the history of the space program, space science, and more.

The National Academies Press (NAP) publishes the reports of the National Academies of Sciences, Engineering, and Medicine.

Formal publications, mostly published by the World Bank, which also includes external publications by allied organizations often with content by WB authors.

SpringerOpen books are made freely and permanently available online immediately upon publication. They are subject to high-level peer review, author and production services ensuring quality and reliability of the work. The link provided directs to SpringerLink for "preview only" content - this filter brings back Open Access eBooks.