Full text: http://courses.candelalearning.com/publicspeaking1xmaster/
Full text: http://www.oercommons.org/courses/communication-theory/view
Below are OER collections containing a variety of Communication Studies related course materials (e.g., readings, quizzes, simulations, assignments, and more).
Search OER Commons for Communication Studies materials
Search MERLOT for Communication Studies materials
SEARCH TIP: OER Commons and Merlot allow you to further limit results by sub-disciplines and material type.