Harold Hamm (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Harold Hamm" in Simple English language version.

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bloomberg.com

"Bloomberg Billionaires Index: Harold Hamm". Bloomberg.com. Retrieved 2018-11-13.
Carroll, Joe (March 1, 2012). "Romney Names Oklahoma Oil Billionaire Hamm as Energy Adviser". Bloomberg.

forbes.com

"Harold Hamm & family". Forbes. Retrieved 2 March 2020.

house.gov

docs.house.gov

http://docs.house.gov/meetings/FA/FA00/20140326/101956/HHRG-113-FA00-Bio-HammH-20140326.pdf

reuters.com

Conlin, Michelle (July 21, 2016). "Exclusive: Trump considering fracking mogul Harold Hamm as energy secretary - sources". Reuters. Retrieved July 21, 2016.