TEXTS:  All are free and available online

Modern
Public Speaking: The Virtual Text by The Public Speaking Project
This is our main text.

Collateral text
Stand Up, Speak Out by Jason S. Wrench, Anne Goding, Danette Ifert Johnson, and Bernardo A. Attias

Classic texts

Public Speaking by James Albert Winans (1917)
Effective Public Speaking: The Essentials of Extempore Speaking and of Gesture by Joseph Albert Mosher (1917)
I recommend that you select "Read Online" for the easiest access to these books.



                                       "If I could speak just a few words . . . I'd be a better public speaker!"

Picture of Homer Simpson in Suit
        and Tie
 

Original links:
http://www.publicspeakingproject.org/psvirtualtext.html
http://catalog.flatworldknowledge.com/bookhub/reader/3795?cid=&e=wrench_1.0-ch01
https://archive.org/details/publicspeaking00winagoog
https://archive.org/details/effectivepublic01moshgoog