Extempore Speech: How to Acquire and Practice It
by William Pittenger 1883

How to Become a Public Speaker
by William Pittenger 1903

Phrases for Public Speakers and Paragraphs for Study
by Grenville Kleiser 1910

How to Master the Spoken Word
by Edwin Gordon Lawrence 1913

The Art of Public Speaking
by Dale Carnegie and J. Berg Esenwein 1915

Increasing Personal Efficiency
by Russell H. Conwell 1917

Successful Methods of Public Speaking
by Grenville Kleiser 1919

Public Speaking
by Clarence Stratton 1920

The Training of a Public Speaker
by Grenville Kleiser 1920

Public Speaking: Principles and Practice
by Irvah Lester Winter