Covid-19: Online Resources: Free Resources
Here are some good places to start when looking for free resources.
Search for OA books
See a list of open access books published by Open Book Publishers, Open Humanities Press and others.
Search the OAPEN Online Library: The OAPEN Library contains the full text of peer reviewed OA books which are 'free to read' online.
Search for open access books below in the Directory of Open Access Books. DOAB is a discovery services that points to OA books that can be found elsewhere. All books listed in DOAB have a full OA licence, making them 'free to share'.
Search the CORE database, currently with over 135 million indexed articles with over 11 million full texts
Search BASE for open access documents
BASE (Bielefeld University Search Engine) for academic open access web resources, indexing over 120 million documents. Try this search to explore some OA material now!
Many institutions now provide archives of electronic theses, and a large number are open access.