JSTOR - more than 35,000 books available at no charge for participating academic institutions until end of August. The list participating publishers is here. Find them in E-journals and E-books. CEU VPN required
Ohio State University Press Publications - access to all scholarly monographs and its Language Files linguistics textbook.
Proquest Ebook Central - titles in law, business, social science, history, philosophy & religion, the arts, and language & literature until 20 July. CEU VPN required. You can read the books on screen without further action but for downloading chapters you need to create an account using your CEU e-mail address. Please, note there is a limit of pages (between 30 and 170) you can download in 24 hours.
Springer Textbooks - more than 500 key textbooks across Springer Nature’s eBook subject until end of July.