The Question of Belief By. Sandra S. Phillips 2003
Andy Warhol: Court Painter to the 1970s By. Robert Rosenblum
Hertz, Prentice Hall, New Jersey, 1985
Introduction to Real Dreams, Duane Michals; Addison House, New Hamsphire, 1976
Expanded Media and Conceptual and Ontological Ideas By Gretchen Garner, Disappearing Witness, John Hopkins University Press, Baltimore and London, 2003