Classics in the History of Psychology is a collection of full texts of historically significant public domain documents from the scholarly literature of psychology and allied disciplines available on the World Wide Web. There are now over 25 books and about 200 articles and chapters online. The site also contains links to over 200 relevant works posted at other sites.

In the HathiTrust Digital Library collection, you can find titles on everything from African History, Economics, and French Literature to Solar Energy, Public Health, and materials published in more than 400 languages. The digital library of 18+ million digitized items brings together the collections of more than 60 academic and research libraries from across North America and other countries.

A digital library of over 44 million books and texts, 835 billion web pages, 15 million audio recordings, 10.6 million videos, 4.8 million images, and 1 million software programs.

Project Gutenberg is a library of over 70,000 free eBooks. Choose among free epub and Kindle eBooks, download them, or read them online. You will find the world’s great literature here, with a focus on older works for which U.S. copyright has expired.

Standard Ebooks is a collection of high-quality, carefully formatted, accessible, open source, and free public domain ebooks that meet or exceed the quality of commercially produced ebooks.

DPLA has launched The Banned Book Club to ensure that all readers have access to the books they want to read. The Banned Book Club makes e-book versions of banned books available to readers in locations across the United States where titles have been banned via the free Palace e-reader app.