29 of 30 prints in various techniques, 1973, published by Experiments in Art and Technology. Not all signed by the artists and numbering differs between HC 4/6, 5/6 and 6/6. Sheet size various ca 30 x 22. Contains works by Lee Bontecou, Robert Breer, John Chamberlain, Walter de Maria, Jim Dine, Mark di Suvero, Öyvind Fahlström, Dan Flavin, Red Grooms, Hans Haacke, Alex Hay, Donald Judd, Ellsworth Kelly, Sol LeWitt, Roy Lichtenstein, Robert Morris, Louise Nevelson, Kenneth Noland, Claes Oldenburg, Nam June Paik, Robert Rauschenberg, Larry Rivers, James Rosenquist,Richard Serra, Keith Sonnier, Richard Stankiewicz, Cy Twombly, Andy Warhol and Robert Whitman. The work by George Segal is not included.