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^ Jones, Jeffrey M. (February 15, 2018). "Obama's First Retrospective Job Approval Rating Is 63%". Gallup. Retrieved March 26, 2022.

^ "Obama Foundation FAQs". Barack Obama Foundation. Retrieved January 16, 2020.

^ Williams, Sydney (November 17, 2020). "Former President Barack Obama's third book starts shipping today". NBC News. Retrieved September 22, 2021.

^ Ressner, Jeffrey; Smith, Ben (August 22, 2008). "Exclusive: Obama's Lost Law Review Article". Politico. Archived from the original on February 8, 2021. Retrieved February 20, 2021.

Bibliography

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Maraniss, David (2012). Barack Obama: The Story. New York: Simon & Schuster. ISBN 978-1-4391-6040-4.
Mendell, David (2007). Obama: From Promise to Power. New York: Amistad/HarperCollins. ISBN 978-0-06-085820-9.
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Scott, Janny (2011). A Singular Woman: The Untold Story of Barack Obama's Mother. New York: Riverhead Books. ISBN 978-1-59448-797-2.

