100 speeches that changed the world
Salter, Colin.
New York : Universe Publishing, 2019

The art of public speaking
Carnegie, Dale, 1888-1955.
[United States] : Author's Republic, 2016.

Eckhart Tolle on great western classics : reflections on the writings of Ralph Waldo Emerson, Marcus
Tolle, Eckhart, 1948- author.
[United States] : Eckhart Teachings, Inc., 2017.

Finding your life's purpose
Tolle, Eckhart, 1948- author.
[United States] : Eckhart Teachings, Inc., 2015.

Great speeches in history

[United States] : Naxos, 1996.

Harmony in diversity : how to move from conflict to compassion

[United States] : Gaiam TV, 1997.

Information hiding in speech signals for secure communication
Wu, Zhijun, 1965 May-
Oxford, U.K. : Syngress ; Beijing : Science Press, 2015.

Lo mejor de Octavio Paz : El fuego de cada día = Best of Octavio Paz
Paz, Octavio, 1914-1998, author.
México, D.F. : Editorial Planeta Mexicana, S.A. de C.V. ; Barcelona : Seix Barral, 2014

The medieval world
Armstrong, Dorsey, 1970-
Chantilly, Va. : Teaching Co., [2009]

The psychology of performance : how to be your best in life
O'Connor, Eddie.
[United States] : The Great Courses, 2017.

Sidelights on relativity
Einstein, Albert, 1879-1955.
[United States] : Author's Republic, 2016.

My dear friends in America : collected addresses to the SGI-USA since 1990
Ikeda, Daisaku, author.
[United States] : Middleway Press, 2020.

What to say and how to say it
Belson, David.
New York, NY : Citadel Press, [1983]

The American spirit : who we are and what we stand for
McCullough, David G., author.
New York : Simon & Schuster, 2017.

The American spirit who we are and what we stand for
McCullough, David G., author.
New York : Simon & Schuster, 2017.

THE AMERICAN SPIRIT : WHO WE ARE AND WHAT WE STAND FOR
McCullough, David G., author.
Waterville, Maine : Thorndike Press, a part of Gale, Cengage Learning, [2017]