- Find OER: Open Books Repository
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Find OER: Open Courseware
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Find OER : Textbook Repository
- HathiTrust Digital Library
Hathi Trust is a shared digital repository built on the collections from various research libraries.
- Internet Archive: Digital Library of Free & Borrowable Books ...
Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.
- National Academies Press
Over 3,700 books are available for free online from the National Academies Press, which publishes reports by the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National Research Council.
- NCBI: Bookshelf
Free access to materials in life science and healthcare. Users can easily browse, retrieve, and read content, and spurs discovery of related information. Publishers: National Academies Press, NIHR Journals Library, Agency for Healthcare Research and Quality, Canadian Agency for Drugs and Technologies in Health, World Health Organization, and others.
- OASIS (Openly Available Sources Integrated Search)
SUNY Geneseo’s Milne Library developed this innovative new search tool that can access 52 different OER sources such as books, courses, stimulations, videos etc. that contain more than 150,000 items.
- OER Commons
OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum. They have the OER Author tool that CUNY customized for OpenEd CUNY .
- Online Books Page
From the University of Pennsylvania, more than 35,000 freely-accessible e-books, including 21st Century imprints from sources such as the U. of Pittsburgh Press.
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OpenStax Free textbooks online
- Open Textbook Library (University of Minnesota)
Open Textbook Library includes OER textbooks that have been reviewed for quality by faculty from a variety of colleges and universities
- SpringerLink Open Access Books search only
1,000 open access books as of 5/20/2020