Biography: John D. Rockefeller, Senior

By the age of 12, John had saved over $50 from working for neighbors and raising some turkeys for his mother

JOHN D. ROCKEFELLER, SR.: An Oil industry Business Magnate and

John D. Rockefeller Biography, Industry, Philanthropy, Facts

From the acclaimed, award-winning author of Alexander Hamilton: here is the essential, endlessly engrossing biography of John D. Rockefeller, Sr.—the

Titan: The Life of John D. Rockefeller, Sr.

Titan: The Life of John D. Rockefeller, Sr. 9781400077304

John D. Rockefeller Jr. - Wikipedia

John D. Rockefeller (1839-1937) - Historic Hudson Valley

How 'richest man in history' made his billions - and family

GOD'S GIANTS IN BUSINESS SERIES: BIOGRAPHY OF JOHN D. ROCKEFELLER

America's First Billionaire: John D. Rockefeller