Janet Kardon, Robert Mapplethorpe, David Joselit, Kay Larson, University of Pennsylvania. Institute of Contemporary Art (1989). “Robert Mapplethorpe: the perfect moment”, Inst of Contemporary Art
William Gurnall (1821). “The Christian in Complete Armour: Or, A Treatise on the Saints' War with the Devil, Wherein a Discovery is Made of the Policy, Power, Wickedness, and Stratagems Made Use of by that Enemy of God and His People : a Magazine Opened, from Whence the Christian is Furnished with Spiritual Arms for the Battle, Assisted in Buckling on His Armour, and Taught the Use of His Weapons, Together with the Happy Issue of the Whole War”, p.3
Zebulon Montgomery Pike, Thomas Rees (1811). “Exploratory Travels Through the Western Territories of North America: Comprising a Voyage from St. Louis, on the Mississippi, to the Source of that River, and a Journey Through the Interior of Louisiana, and the North-eastern Provinces of New Spain ; Performed in the Years 1805, 1806, 1807, by Order of the Government of the United States”, p.188
"The Bliss of Being Sheryl Lee / The career of `Twin Peaks' ' famous corpse has come alive on screen". Interview with Edward Guthmann, www.sfgate.com. June 8, 1997.