Jean M. Auel (2013). “The Earth's Children Series 6-Book Bundle: The Clan of the Cave Bear, The Valley of Horses, The Mammoth Hunters, The Plains of Passage, The Shelters of Stone, The Land of Painted Caves”, p.665, Bantam
"The Undiscovered Malcolm X: Stunning New Info on the Assassination, His Plans to Unite the Civil Rights and Black Nationalist Movements & the 3 'Missing' Chapters from His Autobiography". Interview With Amy Goodman, www.democracynow.org. February 21, 2005.