Issue edited by Philip Leider. A Preview of the United States Section, Sao Paulo Bienal, 1965: "Introduction"; "Barnett Newman," by Lawrence Alloway; "Frank Stella," by Philip Leider; "Larry Bell," by John Coplans; "Donald Judd," by Barbara Rose; "Larry Poons," by John Coplans; "Billy Al Bengston," by John Coplans. Reviews by Don Factor, Nancy Marmer, Curt Opliger, Irving B. Petlin, Molly Siple, H.J. Weeks, Harriette Von Breton, William Wilson, James Monte, Harriette Von Breton, Margery Mann, and Harris Dienstfrey. Cover: Barnett Newman.