John D. Rockefeller - The Original Titan: Insight and Analysis into the Life of the Richest Man in American History (Business Biographies and Memoirs – Titans of Industry) Paperback – May 28, 2019

John D. Rockefeller - The Original Titan: Insight and Analysis into the Life of the Richest Man in American History (Business Biographies and Memoirs – Titans of Industry)

Andrew Carnegie - Insight and Analysis into the Life of a True Entrepreneur, Industrialist, and Philanthropist (Business Biographies and Memoirs – Titans of Industry)

J.P. Morgan - The Life and Deals of America's Banker: Insight and Analysis into the Founder of Modern Finance and the American Banking System (Business Biographies and Memoirs – Titans of Industry)