There are no required textbooks. Readings may be found by following the links below.
"Aristotle's Rhetoric", Lee Honeycutt.
(Aristotle, Rhetoric. Book I, Chapter 1)
"Aristotle's Rhetoric", Lee Honeycutt.
(Aristotle, Rhetoric. Book I, Chapter 2)
"Aristotle's Rhetoric", Lee Honeycutt.
(Aristotle, Rhetoric. Book I, Chapter 3)
"Cicero's De Inventione", Peitho's Web.
(Cicero. De Inventione. Book I, Chapters 8-23)
Cicero, Pro Milone
(M. Tullius Cicero, For Milo; C. D. Yonge, ed.)
"Plato on Rhetoric", Michael E. Eidenmuller.
(Plato on Rhetoric)
"Gorgias", translated by Benjamin Jowett
(Complete Text, Gorgias by Plato)
Selzer, J. "Rhetorical Analysis: Understanding How Texts Persuade Readers." In What Writing Does and How It Does It: An Introduction to Analyzing Texts. New York, NY: Routledge, 2003. ISBN: 9780805838060.