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John D. Rockefeller — The World's First Billionaire, by tom ayling, Mission.org

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US industrialist and philanthropist John Davison Rockefeller . News Photo - Getty Images

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John Davison Rockefeller, 1894 (Hills no. 31.1.183), Catalogue entry

Last surviving grandchild of oil baron John D. Rockefeller dead at 101, Nation and World

The Biography of John D. Rockefeller: America's Most Notorious Oil Titan and Robber Baron: Milton, Robert: 9798686060357: : Books

John D. Rockefeller On Making Money - By John D Rockefeller (hardcover) : Target