Langston Hughes (2002). “The Collected Works of Langston Hughes: Essays on art, race, politics, and world affairs”, p.141, University of Missouri Press
Potter Stewart's expression of the majority opinion in 7-2 ruling that the death penalty is a constitutionally acceptable form of punishment for premeditated murder, July 2, 1976.
Lawrence Weschler, David Hockney, Getty Foundation (2008). “True to life: twenty-five years of conversations with David Hockney”, Univ of California Pr