Issue edited by Philip Leider. Essays "The Art of Existence: Three Extra-Visual Artists," by Robert Morris; "A Conversation with Hans Hofmann," by Irma B. Jaffe; "Problems of Criticism, IX: Art and Technology," by Jack Burnham; "Was There a San Francisco School?," by Mary Fuller; "Joseph Raffael, Carlos Villa, Hank Gobin," by Emily Wasserman; "Jackson Pollock's Drawings," by Rosalind Krauss; "An Interview with Jack Tworkov," by Phyllis Tuchman. Reviews by Joseph Masheck, Kenneth Baker, Robert Pincus-Witten, Kasha Linville, Knute Stiles, Martha Utterback, Peter Plagens, Thomas H. Garver. Cover: Hans Hofmann. Includes full page open letter from the Judson Three Defense Fund.