
As you begin to work with OER, you’ll find the discussion around “free” and “open” resources dominates the discussion. At the heart of OER is a desire to ensure that knowledge makers contribute to a global library of ideas. The best way to begin thinking about this issue is through the Creative Commons site.
What is Creative Commons?
About Creative Commons Licenses

California State University at Fullerton: LIB Guide on using Creative Commons media, including where to find Creative Commons, Public Domain, and other “rights free” or “rights-implied” images.