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→Referències
* Fosdick, Raymond Blaine (1989). The story of the Rockefeller Foundation. Transaction Publishers.ISBN 0-88738-248-7
* Fosdick, Raymond Blaine (1989). The story of the Rockefeller Foundation. Transaction Publishers.ISBN 0-88738-248-7
* [https://www.britannica.com/money/John-D-Rockefeller «John D. Rockefeller; american industrialist». Encyclopedia Britannica (en [[anglés]])]
* [https://www.britannica.com/money/John-D-Rockefeller «John D. Rockefeller; american industrialist». Encyclopedia Britannica (en [[anglés]])]
* [https://archive.nytimes.com/www.nytimes.com/ref/business/20070715_GILDED_GRAPHIC.html New York Times (2007). «The Wealthiest Americans Ever»]
== Bibliografia ==
== Bibliografia ==