"Exclusive Interview With Valerie Jarrett, Senior Advisor and Assistant to President Obama". Interview with Earl Ofari Hutchinson, www.huffingtonpost.com. June 21, 2011.
Fitz Hugh Ludlow (1871). “The Heart of the Continent: A Record of Travel Across the Plains and in Oregon, with an Examination of the Mormon Principle”, p.355
"You can snort as much cocaine as you want and have as many beautiful women as you want ... but it doesn't make you happy" by Simon Hattenstone, www.theguardian.com. November 23, 2008.