Exhibition catalogue published in conjunction with show held April 10 - August 25, 1970. Organized and catalogue compiled by Donald Karshan. Incorporates statements by conceptual artists in the show including Joseph Kosuth, Frederick Barthelme, On Kawara, Christine Kozlov, Terry Atkinson, Michael Baldwin, David Bainbridge, Harold Hurrell, Ian Burn, Roger Cutforth, Meld Ramsden, Bruce Nauman, Dennis Oppenheim, Stephen Kaltenbach, Jan Dibbets, Douglas Huebler, Iain Baxter, Robert Barry, Hans Haacke, Daniel Buren, Bernar Venet, Ian WIlson, Mel Bochner, Saul Ostrow, Lawrence Weiner, Ed Ruscha, Donald Burgy, James Lee Byars, and Adrian Piper. Includes artists' biographies, bibliographies, and contribution list of participants. Catalogue contains no reproductions.