The following two directories list many of the most used OER textbooks.
This curated collection includes hundreds of complete, open, college-level textbooks. Includes reviews. Faculty members from anywhere, including UAA, can submit reviews of the texts. By Univ. of Minnesota. Content is searched within both the OASIS and Mason metafinders as well.
Directory of hand-picked open textbooks and other materials, many reviewed by British Columbia faculty. Some include supplementary materials. Content is searched within both the OASIS and Mason metafinders as well.
If you don't find what you're looking for above, try one of these:
Simultaneously search many OER and open access repositories with this metafinder from SUNY. An excellent place to see a wide variety of types of resources.
Simultaneously search a number of OER and open access repositories with this single search box from George Mason University. An excellent place to see a wide variety of types of resources. Allows for searching full records for terms, whereas OASIS does not.
Check out these open course databases for content you may wish to use.
Below is a collection of websites that provide diverse and inclusive stock photos to add to OER or to use in your courses. Please note the license to ensure you are following the license terms correctly.