Exhibition catalogue published in conjunction with show held May 19 - June 19, 1969, and symposium held June 17, 1969 via telephone hook-up form New York, Ottawa and Burnaby. Short texts by the artists in the exhibition describing their work. Edited by Seth Siegelaub. Artists include: Terry Atkinson, Michael Baldwin, Robert Barry, Jan Dibbets, Douglas Huebler, Stephen Kaltenbach, Joseph Kosuth, Sol LeWitt, N.E. Thing Co., and Lawrence Weiner. Includes checklist from exhibition.