Exhibition catalogue published in conjunction with show held at the Allen Art Museum, Oberlin College, Ohio, April 17 – May 12, 1970. Introduction by Athena T. Spear. Artists include Vito Acconci, Siah Armajani, Michael Asher, John Baldessari, Robert Barry, Frederick Barthelme, Bill Beckley, Mel Bochner, Jonathan Borofsky, George Brecht, Victor Burgin, Donald Burgy, Ian Burn, Scott Burton, James Lee Byars, Luis Camnitzer, Rosemarie Castoro, Don Celender, Fred Cornell Cone, Christpher Cook, Eduardo Costa, Robert Cumming, Roger Cutforth, Royce Dendler, David Dunlap, David Eisler, Robert Feke, Rafael Ferrer, George Gladstone, Dan Graham, Ira Joel Haber, Richards Jarden, On Kawara, Michael Kirby, Paul Kos, Joseph Kosuth, R. Rexinger Lau, Barry Le Va, Les Levine, Gleen Lewis, Sol LeWitt, Martin Maloney, Bruce McLean, Bruce Nauman, N.E. Thing Co., Ltd., Claes Oldenburg, Saul Ostrow, Paul Pechter, John Perreault, Adrian Piper, Mel Ramsden, Glen Rea, Allen Ruppersberg, Thomas Duncan Shannon, Society for Theoretical Art and Analyses, Marjorie Strider, John Van Saun, Bernar Venet, Jeffrey Wall, William Wegman, Hannah Weiner, Lawrence Weiner, and David Nelson. Includes a range of documents, from drawings and sketches to writing and project proposals and outlines. In black-and-white.