1960-1969

Arnason H. H. History of Modern Art. 1st ed. New York: Harry N. Abrams, 1968.
Coolidge, Clark. ING. New York: Angel Hair Books, 1968.
Morris, Jerrold. On The Enjoyment of Modern Art: An Illustrated Introduction to Contemporary American Styles. Greenwich: New York Graphic Society, 1968.
Rosenberg, Harold. Artworks and Packages. New York: Dell, 1969.
Pellegrini, Aldo. "Informalism in the United States." In New Tendencies in Art. New York: Crown Publishers, 1969.
Rose, Barbara. American Painting, the 20th Century. Lausanne: Skira, 1969.
Lucie-Smith, Edward. Late Modern: The Visual Arts Since 1945. New York: Praeger, 1969.
Alley, Ronald. Recent American Art. London: Tate Gallery, 1969.