1971 annual report / exhibition catalogue published in conjunction with shows curated by Paul Maenz at his gallery in Cologne. Each exhibition appears chronologically, with photographs, descriptive texts and brief biography for each artist. The artists listed in the catalogue are as follows: Hans Haacke, Joseph Kosuth, Peter Roehr, Carel Visser, Robert Barry, Martin Maloney, Ulrich Rückriem, Salvo, Victor Burgin, Roelof Louw, W. (Imi) Knoebel, Peter Roehr, Mark Boyle and Giulio Paolini.