Issue edited by Philip Leider. Essays "Scale and the Future of Modernism," by Sidney Tillim; "The Sculpture of Duchamp-Villon," by Albert Elsen; "The Constructivist Ethos, Part II," by Ronald Hunt; "Abstract Illusionism," by Barbara Rose; "Problems of Criticism II: Complaints of an Art Critic," by Clement Greenberg; "Sculpture in Canada," Harry Malcolmson; "A Note on the Canada Council," by David P. Silcox; "Chronology: Ad Reinhardt"; "James Turrell's Projected Light Images," by John Coplans. Artists' project "The New York Correspondence School," by Ray Johnson. Reviews by Emily Wasserman, Palmer D. French, Jane Livingston, Whitney Halstead, Margery Mann. Cover: Ad Reinhardt. Production design by Eddie Russia [Edward Ruscha].