Open Educational Resources (OERs) are teaching and learning materials that are free to access online, free to share, free to re-use, and typically are licensed using a Creative Commons License, allowing others to copy, distribute, or revise the OERs for their own purposes.
OASIS a great place to start your OER search, especially if you're not tied to textbooks. OASIS searches across a variety of OER collections, databases, and repositories to make your search a bit easier. OASIS also allows you to filter by Subject and Content Type.
For more information on finding OER, visit the Library's Open Textbook Research Guide.
One of the main advantages of using openly licensed course material is the ability copy and distribute the material without worrying about violating copyright. For this reason there are a lot of ways you can share open educational resources with students. Below are a few examples of how you can reuse openly licensed material in a Blackboard online course.