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

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