Open educational resources (OER) have "open licenses" that allow you to reuse and often to adapt materials. Review an item's license for information about how to credit the source and whether it can be adapted. This page includes links to history- and humanities-focused OER, as well as to general OER.
Many thanks to the conveners of the History Librarians Interest Group (of the Association of College & Research Libraries) for compiling and sharing this list of open education textbooks and resources in November 2023.
Creative Commons (CC)-licensed resources can be reused. Use the Commons to find CC-licensed images, or to get a CC license for your own materials.
JStor has partnered with leading academic publishers to provide open access ebooks, journals, and ebooks and media.