Conceptual catalogue for an exhibition that took place within the pages of Studio International, Vol. 180, No. 924 (July / August 1970). Introduction by Seth Siegelaub. Curated chapters by David Antin, Germano Celant, Michel Claura, Charles Harrison, Lucy R. Lippard, and Hans Strelow. Artists include Dan Graham, John Baldessari, Richard Serra, Eleanor Antin, Fred Lonidier, George Nicolaidis, Keith Sonnier, Giovanni Anselmo, Alighiero Boetti, Pier Paolo Calzolari, Mario Merz, Giuseppe Penone, Emilio Prini, Pistoletti, Gilberto Zorio, Daniel Buren, Keith Arnatt, Terry Atkinson, David Bainbridge, Harold Hurrell, Michael Baldwin, Victor Burgin, Joseph Kosuth, Barry Flanagan, John Latham, Roelof Louw, Robert Barry, Stephen Kaltenbach, Lawrence Weiner, On Kawara, Sol LeWitt, Douglas Huebler, N.E. Thing Co., Frederick Barthelme, Jan Dibbets, Hanne Darboven. "This exhibition was organized by requesting six critics to each edit an 9-page section and in turn, to make available their section to the artist(s) that interest them..." -- from Siegelaub's introduction. Text in English, German, and French.