Materials:
exhibition catalogue: wrappers. Artists included: R. Barry, M. Bochner, V. Burgin, D. Burgy, I. Burn, J.L. Byars, R. Cutforth, D. Graham, I.J. Haber, O. Kawara, J. Kosuth, S. LeWitt, N.E. Thing Co., Ltd., A. Piper, M. Ramsden, A. Ruppersberg, B. Venet, L. Weiner, and others. Unpaginated.