Here is a selection of places to begin your search. The Big List on the next page has more resources but it might be a little overwhelming, so starting here might be a good plan.
OER Search Engines - Search a variety of OER platforms with a single search.
Consider filling in some of the gaps by using library resources, such as ebooks and articles. Many of the materials we have access to can be made available to your classes as readings.
Searching for OER can be tricky, but librarians are happy to help! Contact us at firstname.lastname@example.org for assistance.